Geodesic

Sommaire du Fascicule no. 1

Unconditionally convergent spectral expansions and nonclassical interpolation
p. 11-14
On the differentiability of functions in a Sobolev space
p. 15-18
A local criterion for regularity of a system of points
p. 19-21
Local Mal'cev theorems and Kuros--Cernikov classes of groups
p. 22-25
Fractional powers of elliptic operators and approximation-moment scales
p. 26-28
Necessary optimality conditions for an optimal problem with operator criterion and constraints
p. 29-32
Uniform tests of randomness
p. 33-35
On a class of groups with solvable problem of automata equivalence
p. 36-38
Evolution equations and inhomogeneous semigroups of operators in a Banach space
p. 39-42
Algebraic properties of distributions for Chung functionals of homogeneous Markov chains with a countable set of states
p. 43-46
Abstract Nemyckii operators are locally defined operators
p. 47-49
Differential analysers of shock waves
p. 50-53
The number of switchings that are necessary for the unblocking of a three-step commutator
p. 54-56
Three-dimensional steady gas flows with straight level lines in the presence of the Bernoulli integral
p. 57-59
Diatomic gas flow around a sphere based on kinetic equations
p. 60-62
On the pattern of cavitation bubble collapse near the wall and formation of cumulative jet
p. 63-66
Approximate theory of wall turbulence
p. 67-70
Some general representations of the solution of the dynamic equations of the theory of elasticity
p. 71-74
Spectral and generative properties of $(\mathrm{Li}-\mathrm{Nd})$-phosphatic glass
p. 75-77
Orthometric form of monadic formalism and its relation to chronometric and kinemetric invariants
p. 78-81
On anomalous energy flows of magnetotelluric field from the Earth
p. 87-90

Sommaire du Fascicule no. 2

On finite transformations of the groups $\mathrm{SO}(5)$ and their finite-dimensional representations
p. 265-268
Methods of solving a differential game
p. 269-272
On the behavior as $t\to\infty$ of solutions of the second boundary value problem for a second-order parabolic equation
p. 273-276
On the best quadrature formula on the class $W^rL_p$
p. 277-279
On the best polynomial approximation in a space of analytic functions
p. 280-283
Description of traces for functions in weighted classes of Liouville type
p. 284-287
On the completeness of the system of eigen and associated functions of boundary value problems with a parameter in the boundary conditions
p. 288-290
Algebraic-geometric construction of the Zakharov--Shabat equations and their periodic solutions
p. 291-294
Complete integrability of the nonlinear Schr\"odinger equation
p. 295-298
On the infiniteness of the reduced Whitehead group
p. 299-301
On an aspect of compactification theory and measure theory in questions of summability
p. 302-305
On a game problem of guidance with information memory
p. 306-308
Application of certain results from number theory to the finite control and controllability problem in distributed systems
p. 309-311
Optimization of conditions for the exploitation of populations when there is random replenishment
p. 312-314
On a class of solutions of the Fokker-Planck equation
p. 315-317
The mathematical description of quantum systems by the method of reduced density matrices of the canonical ensemble
p. 318-320
Thermal structures and fundamental length in a medium with nonlinear heat conduction and volume heat sources
p. 321-324
Corrections for eikonal approximation and the bremsstrahlung of electrons at high energies
p. 325-328
On the gas slip along a solid surface under the influence of temperature drop
p. 329-332
On lifetimes of Rydberg autoionization states of alkali metals
p. 333-336
Assembly method of solving an inverse problem of gravimetry
p. 344-347
Crystal structure of chkalovite $\mathrm{Ge}$-analogue, $\mathrm{Na}_2\mathrm{Be}[\mathrm{Ge}_2\mathrm{O}_6]$
p. 348-351
Поправки к статье ``О задаче Уиттекера в одном классе целых функций экспоненциального типа'' (ДАН, т.~223, \No~6, 1975~г.)
Поправки к статье ``О гравитационном поле Марса'' (ДАН, т.~219, \No~1, 1974~г.)

Sommaire du Fascicule no. 3

Classes of harmonic and analytic functions associated with the operator $J_a^{(l)}$ and their structural representation
p. 521-523
Parameter regularization of some classes of singularly perturbed boundary value problems
p. 524-527
Factorization of compact operators and an example of a reflexive Banach lattice without the approximation property
p. 528-530
Quadrature formulas with multiple nodes for singular integrals
p. 531-534
Groups of isometries of Orlicz spaces
p. 535-538
Groups of Lie--B\"acklund contact transformations
p. 539-542
On local estimates of a solution of a second-order parabolic equation near the lower cap of a parabolic boundary
p. 543-546
Modeling transducers with hysteresis by means of continuous systems of relays
p. 547-550
On the integrals of the square of the absolute value of trigonometric polynomials over the prime numbers
p. 551-554
On traveling waves of a system of quasilinear equations with the same principal part
p. 555-557
Some boundary value problems for an equation with two lines of degeneracy
p. 558-561
On lattices on the set of $H$-closed extensions of Hausdorff spaces
p. 562-565
On the question of $AC$-removability of quasi-conformal curves
p. 566-568
On continuous and totally discontinuous measures in linear spaces
p. 569-570
The entropy of a transformation connected with Perron's algorithm for $p$-adic numbers
p. 571-573
Reflection groups over finite fields of characteristic $p>5$
p. 574-575
The problem of factoring measurable matrix-valued functions
p. 576-579
The asymptotics of the Fourier transform of the exponential function of a polynomial
p. 580-583
Analytical solution of the problem of extensive control, optimal with respect to response-time, in coordinate form
p. 584-587
The requirements for correctness in invariant control systems
p. 588-591
Perturbation theory of stationary flows of a viscous incompressible fluid for small Reynolds numbers
p. 592-595
On crystal structures of $\mathrm{Na}_2\mathrm{ZnSiO}_4$ and $\mathrm{Na}_2\mathrm{BeSiO}_4$
p. 600-602

Sommaire du Fascicule no. 4

On boundary value problems for elliptic systems in the plane with continuous coefficients
p. 777-780
On a criterion for the existence of fixed points of a continuous operator on a function space
p. 781-783
On the selfadjointness and maximal dissipativity of differential operators for functions of an infinite-dimensional argument
p. 784-787
Small parameter asymptotics of the solution of a boundary value problem for an elliptic equation in thin domains
p. 788-791
An algebra of pseudodifferential operators on the Heisenberg group. Symbolic calculus
p. 792-795
Necessary and sufficient conditions for a subsystem of the eigen- and associated functions of a Keldys bundle of ordinary differential operators to be a basis
p. 796-799
An integral representation for generalized positive definite kernels in infinitely many variables
p. 800-803
Various measures of complexity for finite objects (axiomatic description)
p. 804-807
The universality of the canonical tree
p. 808-811
Boundary value problems for some differential-operator equations
p. 812-815
A class of transformation operators and their applications to differential equations
p. 816-819
On mathematical simulation of the separated flow past a wing and vortex sheet breakdown in ideal fluid
p. 820-823
Governing inequalities in plasticity theory
p. 824-826
First attempt of obtaining an image using X-ray diffraction lens
p. 827-829
Wave length-modulated spectra of the photoresponse of $\mathrm{Au}$ -- $\mathrm{Zn}_3\mathrm{P}_2$ barrier diodes
p. 830-832
Upper atmosphere infrared radiation and energetics
p. 852-855
Crystal structure of $\mathrm{Na}_2\mathrm{TiZn}_2[\mathrm{SiO}_4]\mathrm{O}_3$
p. 856-859
Поправки к статье ``О краевой задаче линейного сопряжения с измеримыми коэффициентами'' (ДАН, т. 224, \No~5, 1975~г.)
Поправки к статье ``Нормальное задание семантик языков современных систем программирования'' (ДАН, т.~223, \No~б, 1975~г.)

Sommaire du Fascicule no. 5

An iterative method for the approximate solution of singularly perturbed problems
p. 1033-1036
On the domains of definition of computable mappings of metric spaces
p. 1037-1040
The Cauchy problem for the Hopf equation corresponding to parabolic equations. Statistical solutions and moment functions
p. 1041-1044
Representation of absolute shape retracts as intersections of Tychonoff cubes
p. 1045-1048
Game control in differential evolutionary systems
p. 1049-1052
An investigation of the conditional correctness of the Cauchy problem for an equation of evolution type
p. 1053-1055
The environment and problems of optimizing the distribution of businesses
p. 1056-1059
Asymptotics of the solution of the Cauchy problem for equations with a complex Hamiltonian
p. 1060-1063
On bendings of surfaces of genus $p\ge0$ of positive extrinsic curvature in a Riemannian space
p. 1064-1066
On the spherically symmetric motion of gravitating gas in the presence of a strong shock wave
p. 1067-1070
Steady motion of a drop in a stream of viscous incompressible fluid
p. 1071-1074
Pulsed $\mathrm{CO}_2$-laser with combined high current discharge
p. 1075-1078
On the transition of solid bodies from brittle state into plastic one
p. 1079-1081
Analysis of $\mathrm{CdIn}_2\mathrm{S}_4$ photoluminescence spectra by the moment method
p. 1082-1085
Measurement oi the radiation amplification factor in the supersonic expanding flow of a gas mixture containing
p. 1086-1089
On a simple method of the calculation of the ocean upper layer thermal characteristics
p. 1101-1103
Some regularities of meteor track drift in the upper atmosphere Recording to radiolocation observations in different points of the Earth
p. 1104-1107
On the nature of hailstone nuclei and concentration in clouds
p. 1108-1111
Crystal structure of neodymium decavanadate,
p. 1112-1115

Sommaire du Fascicule no. 6

An investigation of the grid method for parabolic equations with degeneracy
p. 1281-1284
Some imbedding theorems for a class of singular fractional-differential operators
p. 1285-1288
The determination of an infinite Jacobi matrix from the scattering data
p. 1289-1292
On the principle of conservation of information in intuitionistic mathematics
p. 1293-1296
$k$-covering mappings
p. 1297-1300
On the solvability of a nonlinear operator equation
p. 1301-1304
On the connection between algorithmic problems in groups and semigroups
p. 1305-1307
On a multiple trigonometric integral
p. 1308-1310
Self-similar solutions to the problem of axisymmetric filtration of two liquids different in viscosity and density
p. 1311-1314
On the generation of kinetic energy by the atmosphere circulation on slow-circulating planets
p. 1315-1318
A radiation field in a semi-infinite atmosphere under isotropic scattering
p. 1319-1322
Unstable pairs as a new type of point defects in solid bodies
p. 1323-1326
On the measurement of dense thermonuclear plasma ion temperature
p. 1327-1328
Polymorphism in potassium halogenides under high pressures as studied by the ultrasound method
p. 1342-1344
On the role of convective heat transfer in sedimentary beds
p. 1345-1346
The simplest models of the ocean in the problem of ocean -- atmosphere interaction
p. 1347-1349
Crystal structure of $\mathrm{Ba}_3\mathrm{Ge}_9\mathrm{O}_{20}(\mathrm{OH})_2$
p. 1350-1353