Geodesic

Sommaire du Fascicule no. 1

Necessary optimality conditions in control problems for stochastic differential equations
p. 11-15
On a class of function spaces
p. 16-19
Pseudodifferential operators with an operator symbol
p. 20-23
On the application of summability methods of class $(\varphi,\lambda)$ to orthogonal series
p. 24-28
On a criterion for regularity of a boundary point for quasi-linear parabolic equations
p. 29-32
Almost periodic Fourier integral operators and hyperbolic equations in spaces of almost periodic functions
p. 33-37
On a class of quasi-linear hyperbolic equations having global solutions
p. 38-41
Designing screening experiments for a nonsymmetric response function
p. 42-46
The distinguishability of operations in a schedule
p. 47-51
The solvability of a three-dimensional stationary quasilinear problem of the baroclinic ocean
p. 52-56
Korteweg--de Vries equation from the group standpoint
p. 57-61
A characteristic equation of the theory of polarized radiation transfer
p. 62-66
On the heat-diffusion instability of combustion front
p. 67-70
Kinetic description of the convective transverse ion transfer in tokmak
p. 71-73
Investigation of $\mathrm{V}^{2+}$ ion ESR spectra in crystals of yttrium -- aluminium garnet
p. 74-77
Neutron diffraction study of the liquid caesium structure
p. 78-82

Sommaire du Fascicule no. 2

On the structure of wave operators
p. 265-269
Quadratic optimality conditions for a class of nonsmooth problems of mathematical programming
p. 270-273
Homotopy of spaces of automorphisms of some three-dimensional manifolds
p. 274-277
On the reduction method for homogeneous infinite systems of linear integral equations of Fredholm type
p. 278-280
On the asymptotics of the spectral function of a second-order elliptic differential operator
p. 281-285
On second order conditions in nonsmooth mathematical programming problems with an application to minimax with bound variables
p. 286-290
The partial scattering matrix, its factorization and analyticity
p. 291-295
On operator quasi-analyticity for functions of several variables
p. 296-299
Regularization and $\bar\partial$-homotopy on a complex manifold
p. 300-303
The stability of elastic bodies under isotropic uniform compression
p. 304-307
$D$ properties of a system of equations for symmetric gas flows
p. 308-311
Study of some features of rotary wing operation by numerical experiment
p. 312-315
Change in natural radio wave radiation at strong earthquake in the Carpathians
p. 316-319
On the theory of scattering in quantum-field systems
p. 320-324
Induced oscillations of an infinite elastic bar
p. 325-329

Sommaire du Fascicule no. 3

On the Riemann boundary value problem with coefficient admitting discontinuities of oscillatory type
p. 521-525
On the characterization of isometric and similarity mappings
p. 526-528
On unramified coverings of compact Riemann surfaces
p. 529-532
On the Bethe--Sommerfeld conjecture
p. 533-534
Solution of the biharmonic problem for an elastic cylinder
p. 535-539
On the possibility of prediction of the earthquake focus location according to the seismic survey data
p. 540-543
A descriptive statistical model of the short-period radiation of earthquake focus
p. 544-548
Two-phase dike model of the process of ocean bottom spreading and rift zone crust formation
p. 549-553
A mixed problem for a quasilinear parabolic system
p. 554-558
Excitation of sound pulses in liquid $^4\mathrm{He}$ during the germanium optical pumping
p. 559-562
On some features of heat radiation
p. 563-566
Ionization of the weakly coupled particle and convergence of the series of perturbation theory for a time-dependent field
p. 567-569
Photon colliding beams in a storage ring as an intense source of polarized positrons
p. 570-573
Electron microscope observation of defects appearing at the radiation destruction of alkali-halogen crystals
p. 574-575
Crystal structure of $\mathrm{Na}_3\mathrm{In}(\mathrm{SO}_4)_3\cdot3\mathrm{H}_2\mathrm{O}$
p. 602-606
Crystal structure of a new synthetic $\mathrm{Pb}$, $\mathrm{Sb}$-sulphosalt
p. 607-609
Поправки к статье ``Определение орбит Земли и Венеры, астрономической единицы и радиуса Венеры на основе радиолокационных наблюдений Венеры в 1962--1977 гг.'' (ДАН, т.~241, \No~5, 1978~г.)
Поправки к статье ``Крайние точки субдифференциалов'' (ДАН, т.~242, \No~5, 1978~г.)

Sommaire du Fascicule no. 4

On a method of studying the behavior of the difference of two solutions of nonlinear differential equations
p. 793-796
On stability with respect to initial data of nonselfadjoint difference schemes
p. 797-799
Estimates for a pseudodifferential canonical operator with complex phase
p. 800-804
On the theory of ill-posed problems
p. 805-808
Necessary and sufficient conditions for stabilization of the solutions of model parabolic boundary value problems
p. 809-813
Identities and some algorithmic problems in groups
p. 814-818
On high frequency oscillations of plates
p. 819-823
Homotopy classification of systems in the plane that are elliptic in the sense of Douglis and Nirenberg
p. 824-827
On optimal control problems for linear elliptic equations
p. 828-830
On conjugation problems for some partial differential equations
p. 831-835
Operator-stable laws of distribution
p. 836-839
An adaptive iterative method for fast precise digital data capture
p. 840-841
Symmetry in automatic control systems
p. 842-845
A new friction law and mechanism of large-scale rock falls and mountain creeps
p. 846-849
The three-dimensional form of the stability loss of a thickwalled cylinder
p. 850-854
Exact solutions of problems of the diffraction of waves by two parallel half-planes
p. 855-858
Specific features of high-frequency radiation of strong earthquakes with different mechanisms of focuses
p. 859-863
Matrix elements of the boost of unitary representations of the Lorentz group in the basis $SO(3.1)\supset SO(2.1)\supset SO(2)$
p. 864-867
Asymptotic characteristics of a polarized radiation field in the case of small absorption
p. 868-872
Global solutions of Cauchy problems for the Liouville equation $\varphi_{tt}-\varphi_{xx}=-1/2m^2\exp\varphi$ in the case of singular initial data
p. 873-876
On the occurrence of light detonation from a light burning wave
p. 877-880
Strength characteristics of synthetic diamonds grown in the presence of nitrogen
p. 885-886
Structure and properties of quantum systems with increased stability of stationary state
p. 887-891
A system of hydrogen bonds in ammonium and indium sulphate,
p. 892-896

Sommaire du Fascicule no. 5

On a numerical algorithm for solving an eigenvalue problem for linear differential operators
p. 1049-1053
Asymptotics of the eigenvalues of hypoelliptic operators on a closed manifold
p. 1054-1057
Degenerate elliptic problems in nonsmooth domains
p. 1058-1061
On the theory of the mixed problem for the wave equation
p. 1062-1064
On multipliers in function spaces with fractional derivatives
p. 1065-1067
The theorem on the expansion of all the zeros of a polynomial in absolutely convergent series
p. 1068-1071
On the complexity of calculating the elementary symmetric functions in finite fields
p. 1072-1076
Recursive estimation of variables and parameters in Markov systems at discrete measurements
p. 1077-1080
The strong solution of the chain of Bogoljubov equations in one-dimensional classical statistical mechanics
p. 1081-1084
On the solution of implicit operator equations of the first kind and their applications
p. 1085-1087
On differential inclusions in Banach spaces and continuous selections
p. 1088-1092
A polynomial algorithm in linear programming
p. 1093-1096
Bounds on the complexity of normal algorithms
p. 1097-1101
Automatic regulation systems with controllable structure of the object
p. 1102-1106
Nonsteady flow of a compressible fluid with a free boundary
p. 1107-1110
On the expansion of collisionless plasma in vacuum
p. 1111-1113

Sommaire du Fascicule no. 6

Asymptotics of the solution of the grid Laplace equation in an angle
p. 1289-1293
Some extension theorems in a Sobolev space of infinite order and inhomogeneous boundary value problems
p. 1294-1297
An investigation of the stability of difference schemes on the boundaries of the computational domain by the method of differential approximations
p. 1298-1302
On the solution of integral equations of the first kind in the class of functions of bounded variation
p. 1303-1307
Some generalizations of the method of stationary phase
p. 1308-1311
Investigations on the isotropic strict extremum principle
p. 1312-1316
Diameters in $L_p$ of classes of continuous and differentiable functions and the optimal reconstruction of functions and their derivatives
p. 1317-1321
An imbedding theorem for convolutions on a finite interval and its application to integral equations of the first kind
p. 1322-1326
The sharp front and singularities of solutions of a class of nonhyperbolic equations
p. 1327-1331
Reliability of output signals of multidimensional information apparatus
p. 1332-1333
Numerical modeling of the heat radiation transfer in the Venusian and Martian atmospheres
p. 1334-1336
The method of the inverse scattering problem and the quantum nonlinear Schr\"odinger equation
p. 1337-1341
Radiation capture of target atom electron by multicharge ions
p. 1342-1343
``Isotopic'' mechanism of the dispersion of liquid crystal permittivity normal component
p. 1344-1347