Geodesic

Sommaire du Fascicule no. 1

On the regularized trace of a higher-order differential operator with a bounded operator coefficient
p. 3-17
Boundary value problems for a parabolic equation, and boundary integral equations
p. 17-23
Criteria for the Bessel property and the Riesz basis property of systems of root functions of differential operators. II
p. 23-33
On a uniform estimate for the asymptotic solution of the Cauchy problem for a singularly perturbed wave equation
p. 33-41
A plane mixed problem with delay conditions for a hyperbolic equation
p. 41-52
On elementary nonlinear problems
p. 52-59
Some properties of the solutions as $t\to\infty$ of the iterated heat equation
p. 59-69
On the asymptotics of the spectral function of differential operators in $L_p(M)$
p. 69-75
On a problem conjugate to the generalized Tricomi problem for the Lavrent'ev--Bitsadze equation
p. 75-81
Boundary value problems of Bitsadze--Samarski{\v\i} type for systems that are elliptic in the Douglas--Nirenberg sense
p. 81-91
Differential equations of hyperbolic type
p. 91-96
Sharp estimates, with respect to order, for root functions of a second-order elliptic operator
p. 97-110
Some boundary value problems for equations of mixed type
p. 110-121
Generalized solutions for the Whitham equation
p. 121-126
Absolute convergence of spectral expansions of operators with a singularity
p. 127-136
On the Fredholm property of a system of pseudodifferential equations in the problem of diffraction by a bounded screen
p. 136-143
On a Carleman-type problem for elliptic systems
p. 143-151
On the problem of the continuation of solutions for elliptic equations
p. 152-162
On the asymptotic behavior with respect to the small parameter of a boundary value problem for a second-order quasilinear elliptic equation that degenerates into a parabolic one
p. 163-169
Completeness and minimality of a trigonometric system of functions
p. 170-173
A nonlocal boundary value problem for a parabolic-hyperbolic equation with a characteristic line of change of type
p. 173-176
Spectral properties of a class of boundary value problems for a parabolic-hyperbolic equation
p. 176-179

Sommaire du Fascicule no. 2

Stability of equations with an aftereffect that describe the dynamics of viscoelastic bodies
p. 187-198
Stability of linear stochastic functional-differential equations with constantly acting perturbations
p. 198-207
An oscillation criterion for a class of ordinary differential equations
p. 207-219
Linear differential pursuit games with integral constraints
p. 219-223
An optimization problem and necessary extremum conditions for differential inclusions with aftereffect
p. 223-231
Boundary value problems and optimal control problems for linear loaded equations of hyperbolic type
p. 232-241
Integral equations in problems of screening electromagnetic fields for cylindrical bodies
p. 242-247
Passage to the limit in an inverse problem for parabolic equations in nondivergence form with a condition of final overdetermination
p. 247-253
Rapidly oscillating traveling waves in systems with small diffusion
p. 254-262
Expansion of an arbitrary function in a series in squares of Legendre polynomials
p. 262-270
Uniqueness of the solution of an exterior inverse problem in potential theory in a class of polygons
p. 270-277
Representation of the solution of a generalized Euler--Poisson--Darboux equation
p. 278-281
Solvability and unsolvability of a variant of boundary value problems with a free boundary for abstract second-order differential equations
p. 281-289
Efficient methods for solving multidimensional thermoelasticity problems
p. 290-305
The rate of convergence of the Rothe--Galerkin method for hyperbolic equations
p. 305-316
Spline-operational calculus and numerical solution of integral convolution equations of the first kind
p. 316-329
Two-level explicit preconditionings for the conjugate gradient method
p. 329-339
A numerical method for calculating the eigenvalues of a tridiagonal symmetric matrix
p. 339-346
Mathematical modeling of charge transfer in devices with charge connection
p. 346-354
Dirichlet-type problems for an elliptic system of equations that is generated by the Cauchy--Riemann operator
p. 355-357
An estimate for the fundamental solution of a linear system with a small parameter multiplying the derivative and with a small delay
p. 358-360
An averaging theorem for differential inclusions with fast and slow variables in Banach space
p. 360-363

Sommaire du Fascicule no. 3

Continuous branches of multivalued mappings, and integral inclusions with nonconvex images and their applications. I
p. 371-379
Sliding modes in second-order piecewise-linear difference systems
p. 380-390
Factorization of a linear boundary value problem and the monotonicity of the Green operator
p. 390-394
An indicator quadratic form and the stability of solutions of a system of differential equations
p. 395-398
Invariant manifolds of autonomous differential equations, and sign-variable Lyapunov functions
p. 398-405
Obtaining estimates for the stability of solutions of stochastic functional-differential equations
p. 405-414
On a regularization procedure for a function of the value of a nonlinear control problem
p. 414-422
Completely controllable dynamical polysystems
p. 423-428
Justification of a partial averaging scheme for systems with slow and fast variables
p. 428-432
On the continuous dependence of solutions of a quasilinear impulsive boundary value problem on parameters
p. 432-436
Regional integrability of the $N$-body problem
p. 437-441
Controllability and quasicontrollability of parabolic systems with delay
p. 442-451
Fundamental solution of the wave equation with several singularities and the Huygens principle
p. 452-462
A boundary value problem without initial conditions for a linear one-dimensional system of hyperbolic-type equations
p. 463-469
On the existence and uniqueness of bounded solutions of systems of first-order quasilinear evolution partial differential equations
p. 469-482
On the existence of a global solution of a nonlinear diffusion system of equations of reactor dynamics
p. 483-489
Uniform stabilization as $t\to\infty$ of the solution of the Cauchy problem for a system of acoustic vibrations in a compressible medium
p. 489-500
Fundamental solutions of parabolic systems with discontinuous coefficients and their applications to boundary value problems. V
p. 501-508
Solvability of the Cauchy problem for linear singular equations of evolution type
p. 508-515
Investigation of periodic solutions of a differential equation of pendulum type
p. 516-519
Construction, numerical realization and investigation of difference schemes for solution of the problem on mathematical modeling of vortical formations in laboratory conditions
p. 519-521
Application of integral transformations to the solution of some mixed problems
p. 521-522
A class of loaded elliptic equations
p. 522-524
The Green function for spatial stationary problems of heat conduction of a multilayer body
p. 524-527
On the boundedness of powers of selfadjoint extensions of singular elliptic operators acting in weighted classes
p. 528-529
Spectral properties of differential operators with discontinuous coefficients
p. 530-532
Asymptotics of solutions of boundary value problems for linear, singularly perturbed systems on the infinite interval
p. 532-534
On solutions of stochastic equations with almost surely periodic trajectories
p. 534-536
A representation of solutions of the Sturm--Liouville equation and its applications
p. 537-540
Application of the second Lyapunov method for estimating the integral funnel of a system of differential equations
p. 540-543
On observability for the one-dimensional heat equation
p. 543-545

Sommaire du Fascicule no. 4

Differential properties of solutions and integral surfaces of nonlinear impulse systems
p. 555-566
Continuous branches of multivalued mappings, and integral inclusions with nonconvex images and their applications. II
p. 566-571
Periodic solutions of nonlinear systems and the comparison method
p. 571-576
On the topological classification of some types of semilinear evolution equations in a Banach space
p. 576-587
A criterion for upper semistability of the highest Lyapunov exponent of a nonhomogeneous linear system
p. 587-593
Meromorphic solutions of differential equations
p. 593-597
An estimate for the difference of partial sums of expansions of an absolutely continuous function in root functions corresponding to two one-dimensional Schr\"odinger operators with complex-valued potentials in the class $L_1$
p. 598-612
Estimates for the periods of cycles generated by a structurally unstable separatrix loop
p. 612-618
On the basis of an ideal generated by Lyapunov quantities
p. 618-627
On a class of first-order multidimensional elliptic systems
p. 628-637
Limit behavior of solutions of a sequence of infinite-order differential equations
p. 637-651
Solvability of boundary value problems for second-order operator-differential equations of elliptic type
p. 651-661
Boundary value problems for loaded parabolic and hyperbolic equations with time derivatives in the boundary conditions
p. 661-666
An inverse problem of heat conduction in a two-component medium
p. 666-672
Averaging in a problem of thermomechanochemistry
p. 673-680
Solution of the Stefan problem on a ray in a neighborhood of a stationary solution
p. 680-687
Fredholm solvability of inverse boundary value problems for second-order abstract differential equations
p. 687-697
Formulation and investigation of a nonlinear inverse problem of the control of the motion of a viscous incompressible fluid
p. 697-705
Properties of a solution of a conjugate equation in a nonlinear hyperbolic problem
p. 706-715
Convergence of a linearizing transformation of a nonautonomous differential equation with a small parameter multiplying the derivative
p. 716-718
Stabilization of nonlinear systems
p. 719-720
Solution of the Frankl' problem in a special domain
p. 721-723
On some papers concerning Timoshenko equations
p. 723-724
Convergence in the Rayleigh equation with a force term
p. 724-726
Discontinuous solutions of the Hamilton--Jacobi equation
p. 727-729
A problem of contact heat conduction. II
p. 729-730

Sommaire du Fascicule no. 5

Continuous branches of multivalued mappings, and integral inclusions with nonconvex images and their applications. III
p. 739-746
Investigation of the stability of a multidimensional automatic control system
p. 746-756
On the solvability and asymptotic properties of solutions of a singular Cauchy problem
p. 756-760
Asymptotic properties of solutions of systems of the first class. I
p. 760-764
Asymptotic expansions of a solution of the Cauchy problem for a linear differential equation
p. 765-779
Asymptotic behavior of solutions of the Cauchy problem for singularly perturbed systems
p. 779-790
On the Riemann--Hilbert problem for the Moisil--Teodorescu system and a generalization of this system
p. 791-799
Generalized solutions of an equation of the form ${\partial\varphi}/{\partial t}+H(t,x,\varphi,\nabla_x\varphi)=0$
p. 799-806
Solvability of the Dirichlet problem for second-order elliptic equations in a convex domain
p. 806-818
On the index of first-order elliptic operators in the plane
p. 818-827
On the uniqueness of the solution of an inverse problem of diffraction
p. 827-831
Integral representations of solutions of a singular equation containing a sum of commuting operators
p. 831-838
Stability of the solution of inverse problems of spectral analysis
p. 839-843
Coefficient conditions for the existence of $\omega$-periodic solutions of quasilinear wave systems
p. 843-847
The first mixed problem for a second-order linear hyperbolic equation with homogeneous conditions in the case of a nontube domain
p. 847-856
On the equivalence of the oblique derivative problem and the Riemann--Hilbert problem
p. 856-867
Qualitative properties of solutions of some classes of second-order quasilinear elliptic equations
p. 867-873
Necessary and sufficient conditions for the unique solvability of the Cauchy problem for second-order hyperbolic differential equations with a variable domain of operator coefficients
p. 873-886
On the destruction of surface waves
p. 886-892
A mixed problem for a one-dimensional system of Boltzmann moment equations in an odd approximation
p. 892-900
Well-posedness of linear differential equations with aftereffect in Hilbert spaces
p. 901-903
Conservation laws for the equation $u_t+uu_x=0$
p. 903-905
Formally normal extensions of an operator
p. 905-907
Solvability of a boundary value problem for the Helmholtz equation with higher-order normal derivatives on the boundary
p. 907-909
Linear systems of differential equations that are regular on the whole axis
p. 910-912
Solvability of a nonlocal quasilinear equation in a class of discontinuous functions
p. 912-915

Sommaire du Fascicule no. 6

Nikola{\v\i} Nikolaevich Bogolyubov
p. 923-924
A frequency criterion for stability in the large of periodic solutions of nonlinear nonautonomous systems
p. 925-930
Singular correction of the method of equivalent control
p. 930-943
Estimation of the closeness of partial sums of expansions in eigenfunctions of a Sturm--Liouville operator with discontinuous coefficients
p. 943-956
Asymptotic properties of solutions of systems of the first class. II
p. 956-961
A positional control problem in nonlinear parabolic systems
p. 961-967
Approximation of the domain of indeterminacy in differential search games
p. 967-972
Separation of identifiable and controllable components of the state of a dynamical system with delay
p. 972-984
A reflecting function and integral manifolds of differential systems
p. 984-991
Dissipativity of the generalized Li\'enard equation
p. 991-997
Decomposition of boundary value problems for singularly perturbed systems of neutral type in the conditionally stable case
p. 997-1009
On the existence of singular and unbounded oscillating solutions of differential equations of Emden-Fowler type
p. 1009-1022
Uniform stabilization and proximity in the mean of solutions of the Cauchy problem for higher-order parabolic equations
p. 1023-1033
A dual variational principle for the wave equation
p. 1033-1039
On the asymptotics of the energy of the generalized solution of a system of equations in the theory of elasticity for large time values
p. 1039-1045
Global solvability of the Cauchy problem for some systems of reaction-diffusion equations
p. 1045-1049
Bounded and almost periodic solutions of differential inclusions of parabolic type
p. 1049-1056
On a weak solution of a Dirichlet-type problem for a third-order linear differential equation
p. 1056-1066
On a singular boundary value problem for a system of second-order ordinary differential equations
p. 1067-1069
Properties of solutions of a class of functional-differential equations on the semi-axis
p. 1070-1073
Quasiperiodic solutions of periodic differential systems with analytic right-hand side
p. 1073-1075
On the asymptotic behavior of monotone solutions of nonlinear differential equations of Emden--Fowler type
p. 1076-1078
On the existence and continuability of solutions of a differential equation with a discontinuous right-hand side
p. 1078-1080
Nonlinear flutter panel: the risk of hard excitation of vibrations
p. 1080-1082
On an exponential estimate for a Cauchy function
p. 1082-1084
О~семинаре по качественной теории дифференциальных уравнений в~Московском университете
p. 1085-1092
Воронежская весенняя математическая школа «Современные методы качественной теории краевых задач»
p. 1093-1094
Всесоюзная конференция «Асимптотика -- 91»
Nikola{\v\i} Maksimovich G\"unter (on the occasion of the 120th anniversary of his birth)
p. 1096-1099

Sommaire du Fascicule no. 7

On the beating phenomenon for an impulse differential equation
p. 1107-1112
On the theory of optimal control and filtering of linear stochastic discrete systems. One-parameter systems
p. 1112-1122
Focal values of a cubic system of nonlinear oscillations
p. 1122-1127
On the uniqueness of the solution of a nonclassical boundary value problem
p. 1128-1137
Construction in explicit form of solutions of the Darboux problems for the telegraph equation and their application in the inversion of integral equations. II
p. 1138-1145
Solvability of a boundary value problem for a nonlinear degenerate hyperbolic equation
p. 1145-1153
A class of difference schemes for the solution of Navier--Stokes equations.~I
p. 1154-1167
On the Galerkin finite-element method for elliptic quasilinear singularly perturbed boundary value problems. I
p. 1168-1177
Modeling of a free surface of annular magnetofluid seals by means of the boundary element method
p. 1177-1181
Efficient difference methods for a reaction-diffusion type model
p. 1182-1189
A fast block method for constructing the Green function for the Laplace operator on polygons
p. 1189-1197
Finite-difference methods of variable directions type for solving nonstationary transport equations
p. 1198-1204
On a class of difference schemes of the multicomponent method of variable directions of the second order of approximation with respect to time
p. 1205-1211
Conservative difference schemes in problems of nonlinear optics. II
p. 1211-1218
A multicomponent variant of the method of variable directions for evolution problems. I
p. 1218-1230
A direct method for solving a singularly perturbed problem of the optimal control of a particle transport process
p. 1230-1243
On the theory of the method of unitary-difference sweep for three-point difference equations of general form
p. 1243-1247
On the collocation method for a class of nonlinear singular integro-differential equations
p. 1247-1253
A numerical method for solving a nonlinear first-order equation of hyperbolic type
p. 1254-1261
Convergence in the $C$-norm of solutions of difference schemes for a nonlinear nonstationary problem of diffusion-reaction type
p. 1261-1271
A class of dependent solutions of field equations and the structure of relativistic acceleration
p. 1272-1274
A formula for the first regularized trace of a power of the Laplace operator on a triangle
p. 1274-1276
Numerical solution of nonlinear multipoint boundary value problems for systems of ordinary differential equations
p. 1276-1279
On the basis property and equiconvergence with a trigonometric series of spectral expansions of a $2n$-order differential operator
p. 1279-1280
Investigation of the stability of systems that have limit cycles
p. 1280-1283

Sommaire du Fascicule no. 8

Representation and estimates of root functions of singular differential operators on an interval. I
p. 1291-1302
Invertibility and completeness of linear autonomous systems with aftereffect
p. 1302-1311
Some sufficient conditions for the upper semistability of Lyapunov exponents of nonhomogeneous linear systems. I
p. 1312-1317
On a minimax problem of the control of an ensemble of trajectories of a differential inclusion
p. 1317-1327
Quasidifferential approximation equations in a metric space under Carath\'eodory-type conditions
p. 1328-1339
On the existence of a quasiperiodic solution of a nonlinear differential equation
p. 1339-1346
On a property of the solution set of differential inclusions in a Banach space
p. 1346-1351
On an investigation of ordinary differential equations ``with respect to the first approximation''
p. 1351-1355
An inverse problem for differential equations with a singularity
p. 1355-1362
On the basis property of a system of eigen- and associated functions of multipoint problems for differential equations
p. 1363-1373
On the solvability of the Cauchy problem for evolution equations of parabolic type with degeneration in some spaces
p. 1373-1381
A nonlocal boundary value problem in an exterior domain
p. 1381-1386
Glued bodies
p. 1386-1395
The source method for the plane Neumann--Kelvin problem and free oscillations of a fluid in a channel
p. 1395-1401
On the solution of boundary value problems for elliptic systems in a space of generalized functions
p. 1401-1410
On the decay of a solution of a mixed problem for a linearized system of Navier--Stokes equations
p. 1410-1418
Conditions for well-posedness of the problem of determining the matrix of coefficients multiplying the highest derivatives of a parabolic equation
p. 1419-1426
A method for constructing continuous solutions of the Carleman--Vekua equation with a singular point
p. 1427-1434
The Feynman--Kac formula on a phase superspace.~I
p. 1434-1443
Subdifferential boundary value problems for stationary Navier--Stokes equations
p. 1443-1450
Boundary integral equations of initial-boundary value problems for the wave equation
p. 1451-1453
On a definition of dissipativity for integral equations
p. 1453-1454
Some properties of root functions of higher-order ordinary differential operators
p. 1454-1456
On a problem for a model equation of mixed elliptic-parabolic-hyperbolic type in a domain with a doubly connected subdomain of hyperbolicity
p. 1456-1459
Quadratic systems with limit cycles
p. 1459-1461
Solution of a problem with nonlocal conditions for the Lavrent'ev--Bitsadze equation
p. 1461-1463
On the Dirichlet problem for an elliptic system, degenerate on the boundary, of second-order equations
p. 1463-1465
Absolute and uniform convergence of series in a sine system
p. 1465-1466

Sommaire du Fascicule no. 9

Local boundedness of solutions of an autonomous Hamiltonian system with three degrees of freedom in the presence of dissipative forces
p. 1475-1483
A boundary value problem for a fourth-order singular system
p. 1484-1490
Strongly invariant sets with respect to a differential inclusion, and the approach problem for discontinuous control systems
p. 1490-1498
Uniform local controllability of a linear system
p. 1499-1507
Criteria for strong orbital stability of trajectories of dynamical systems. I
p. 1507-1520
Stability of a second-order system with a zero diagonal coefficient
p. 1520-1529
On the single-valuedness of solutions of a second-order linear differential equation with regular singular points
p. 1529-1536
Properties of solutions of a quasidifferential approximation equation and an equation of an integral funnel
p. 1537-1544
Approximate-inertial manifolds for reaction-diffusion equations
p. 1545-1552
An inverse problem for a power of the Laplace operator with potential from $L^2$
p. 1552-1561
On the limit behavior of a bounded solution of a system of first-order evolution quasilinear partial differential equations under an unbounded time increase
p. 1561-1573
Calculation of coefficients in addition theorems for spherical wave functions and Debye potentials
p. 1573-1579
Optimal control in a nonlinear stationary system with a nonmonotone operator
p. 1579-1587
Asymptotic behavior of the solution of a spectral problem of neutron transport with respect to a small parameter of the mean free path
p. 1587-1599
The Feynman--Kac formula on a phase superspace.~II
p. 1599-1607
Unitary equivalence between linear operators and integral operators with smooth kernels
p. 1608-1616
Some singular integral equations that can be solved by means of integral transformations with respect to spherical functions
p. 1617-1624
On the Cauchy problem for a class of operators with branching
p. 1625-1627
Solutions of a nonlinear partial differential system
p. 1627-1630
Error estimation for the numerical solution of boundary value problems for an ordinary differential equation by means of $\tau$-moduli
p. 1630-1633
On stability of discrete processes with perturbations
p. 1633-1635
Detection of a limit cycle in the Li\'enard equation by means of generalized Lyapunov functions
p. 1635-1638
On the solution of the Cauchy problem for a nonlinear, singularly perturbed system on the semi-infinite interval
p. 1638-1639
Investigation of a boundary value problem for ultraparabolic equations with constant coefficients by the variational method
p. 1640-1642
The direct variational method for operator equations $u^{(k)}+C^mu=f$, $k=1,2$; $m\in\mathbf N$
p. 1642-1643
A quadratic system with a limit cycle surrounded by a separatrix loop of a saddle
p. 1643-1644
A criterion for solvability in the large of singularly perturbed nonlinear problems
p. 1644-1646
Abel summability of $n$-fold expansions in root functions of boundary value problems and convolution operators
p. 1647-1650

Sommaire du Fascicule no. 10

Asymptotic estimates for solutions of singularly perturbed boundary value problems with initial jumps for linear differential equations
p. 1659-1668
Autonomous weakly nonlinear boundary value problems
p. 1668-1674
Third-order linear ordinary differential equations in the adjoint representation of simple Lie algebras
p. 1675-1683
On the distribution of characteristic and other exponents of two-dimensional linear systems
p. 1683-1698
Monodromy group of a second-order linear differential equation with regular singular points
p. 1698-1708
The effect of Lyapunov transforms and different perturbations on the nonregularity sets of linear differential systems
p. 1708-1715
Some criteria for stability of equations with retarded argument
p. 1716-1723
Some sufficient conditions for the upper semistability of Lyapunov exponents of nonhomogeneous linear systems. II
p. 1724-1732
On Liouville's theorem on linear differential equations
p. 1733-1736
The oscillatory nature of solutions of systems of two differential equations with sign-variable right-hand sides
p. 1736-1747
Asymptotics of solutions of quasilinear ordinary differential equations
p. 1747-1751
Asymptotic representations with respect to a small parameter of solutions of the Tricomi problem for some singularly perturbed equations of elliptic-parabolic type
p. 1752-1759
An equation of Orr--Sommerfeld type with two turning points
p. 1759-1770
A criterion for continuity of the gradient of the solution of the Darboux problem for the Gellerstedt equation
p. 1770-1785
A class of efficient difference schemes for solving multidimensional problems in mathematical physics
p. 1786-1799
On the Galerkin finite-element method for elliptic quasilinear singularly perturbed boundary value problems. II
p. 1799-1810
Mathematical modeling of problems of electrophoretic separation of biological mixtures. I
p. 1810-1821
Application of the Galerkin method for solving an integral equation of magnetostatics with respect to vector potential
p. 1821-1828
Analysis of singularities, and special solutions of equations of the dynamics of short pulses in a dispersive nonlinear medium
p. 1829-1830
On the solution of the Cauchy problem for the Lam\'e operator and its regularization
p. 1830-1833
Selfadjoint problems with a given eigenvalue distribution
p. 1834-1835
Letter to the editors: ``Analytic continuations of solutions of boundary value problems for the stationary wave equation'' [Differentsial'nye Uravneniya \textbf{27} (1991), no. 1, 8--17, 179; MR1133505]
Letter to the editors: ``Solvability of a problem on the evolution of a turbulent spot in a homogeneous fluid on a small time interval'' [Differentsial'nye Uravneniya \textbf{27} (1991), no.~10, 1725--1733, 1836; MR1157679]

Sommaire du Fascicule no. 11

Vladimir Mefod'evich Matrosov (on the occasion of his sixtieth birthday)
p. 1843-1845
Controlled proximal differential systems for solving saddle problems
p. 1846-1861
Design of minimal modal controllers acting according to outputs
p. 1861-1871
Controllability of Roesser systems in a global state space
p. 1871-1881
A method for optimizing a linear dynamical system with piecewise-linear input
p. 1882-1890
Integral estimates for solutions of ordinary differential equations in the case of a break on the boundary of the domain
p. 1890-1900
An investigation on uniform Lyapunov stability
p. 1900-1906
Continuous dependence of an almost periodic solution on a measure-valued control
p. 1907-1915
On the stability of a chemostat
p. 1915-1918
Investigation of generalized solutions of optimal control problems with linear unbounded controls on the basis of multiple transformations
p. 1919-1932
Suboptimality of asymptotically invariant control systems
p. 1932-1945
Transformation of affine systems with control and the stabilization problem
p. 1945-1952
Differential games with integral constraints on the control actions
p. 1952-1961
Continuous identification of a class of current states of differential-difference systems
p. 1962-1969
On conditions for the optimality of dynamical systems with respect to parameters
p. 1969-1976
Filtering of some stochastic processes described by systems of linear functional-differential equations
p. 1977-1984
On absolutely continuous multivalued mappings
p. 1984-1988
Determination of the switching times of an extremal control in a nonlinear time-optimality problem
p. 1988-1993
Stabilization of linear stationary completely integrable Pfaffian systems
p. 1993-2001
Design of discrete systems for the control of non-minimal-phase objects with delay
p. 2001-2006
О~семинаре по качественной теории дифференциальных уравнений в~Московском университете
p. 2007-2019
Serge{\v\i} Aleksandrovich Lomov (on the occasion of his seventieth birthday)

Sommaire du Fascicule no. 12

The method of Lyapunov functions for systems with perturbations
p. 2027-2029
An approach to the study of exponents of exponential growth of solutions of differential systems with impulse action
p. 2030-2036
Estimates for characteristic Lyapunov exponents of linear systems with exponentially decreasing perturbations
p. 2036-2048
Some sufficient conditions for the upper semistability of Lyapunov exponents of nonhomogeneous linear systems. III
p. 2049-2053
On the global stability of a nonlinear differential equation
p. 2054-2056
Solvability in the large of the Cauchy problem for systems of nonlinear differential equations with fast and slow variables of a special form
p. 2057-2060
Stability of stochastic systems of neutral type with small deviations of the argument
p. 2060-2069
A boundary value problem for a differential inequality
p. 2070-2075
An analogue of the Darboux problem for the two-dimensional wave equation. I
p. 2075-2085
Solution of a problem of heat propagation in a circular two-layer plate with a heat source that moves along its surface
p. 2085-2092
On the existence of a solution to the Tricomi problem
p. 2092-2101
On the existence of a solution in the problem of determining the coefficient in a semilinear equation of parabolic type
p. 2101-2110
Local solvability of the Cauchy problem in the space of complex-analytic branching functions
p. 2110-2123
The existence of optimal domains in problems with $B$-symmetric, $B$-positive operators
p. 2123-2128
Mathematical modeling of problems of electrophoretic separation of biological mixtures. II
p. 2129-2137
Difference algorithms for solving a problem of heat convection
p. 2137-2148
Qualitative analysis of difference schemes for a model nonlinear equation with sign-variable viscosity
p. 2148-2158
Methods for the numerical investigation of the stability of the solution of stationary problems
p. 2158-2165
Linearly ordered periodic solutions of the Riccati equation connected with a third-order linear differential equation
p. 2166-2168
Existence and asymptotics of solutions of an implicit Cauchy problem with a singularity
p. 2168-2169
Investigation of the stability of systems that have invariant toroidal manifolds
p. 2169-2172
Weighted boundary value problems for strongly degenerate equations
p. 2172-2174
Conditions for the nonoscillation of regular solutions of a differential equation of Emden--Fowler type
p. 2175-2177
Some cases of the reduction and generalization of the Abel differential equation of the second kind
p. 2178-2179
Analogues of the Schwarz formula for the inhomogeneous Cauchy--Riemann system
p. 2180-2182
The relaxation character of the interaction of a strongly fertile population with its food base with moderate natural fluctuations
p. 2182-2184
Robust stability with respect to nonlinear parameters
p. 2185-2187
On the Abel differential equation of the second kind
p. 2187-2188
The regularization method in a problem of the optimal control of a nonlinear hyperbolic system
p. 2188-2190
Воронежская весенняя математическая школа «Современные методы качественной теории краевых задач»