Geodesic

Sommaire du Fascicule no. 1

An integral equation on the semi-axis
p. 3-14
Questions of the theory of polynomial operations
p. 15-24
Absolutely irreducible representations of certain nilpotent groups of the third class.~I
p. 25-29
Certain estimates for the Christoffel-Darboux kernels and for moduli of orthogonal polynomials
p. 30-42
Distribution of values of the Weierstrass sigma-function
p. 43-46
A~method of numerical analytic continuation
p. 47-55
Approximate construction of admissible controls
p. 56-63
On the question of finding the limiting cycles of an autonomous system of differential equations
p. 64-65
The operation of an infinitesimal $S$-extension
p. 66-78
Transformation operators generated by expansions with respect to a~basis
p. 79-88
On semantics of the theory of types
p. 89-98
Certain estimates of the interval of applicability of a~theorem of S.\,A.~Chaplygin on differential inequalities and stability criteria for differential equations with periodic coefficients
p. 99-103
Conditions for the center for a~class of differential equations
p. 104-114
Approximation of functions defined on a~finite segment or on a~system of segments by trigonometric polynomials
p. 115-123
Behavior of a~solution of a~boundary value problem for a~hyperbolic equation for $t\to\infty $
p. 124-138
Gevrey solutions of partial differential equations
p. 139-146
On the question of the solution of the Tricomi problem for a~system of differential equations
p. 147-152
Lattice isomorphisms of commutative holoidal semigroups
p. 153-160
Construction of the general asymptotic solution of a~system of linear differential equations with a~small parameter
p. 161-169
On the question of inclusion of a~given function in the class of $VBG_*$-functions
p. 170-173
Certain special classes of $p$-valent functions in the disc $|z|1$ and in the circular region $1|z|+\infty$
p. 174-181
Haseman boundary value problem with a~discontinuous coefficient
p. 182-190

Sommaire du Fascicule no. 2

On convergence of absolutely continuous functions and their derivatives
p. 3-8
On nets on multidimensional surfaces of a~projective space
p. 9-19
Construction of a~degenerate approximating kernel by the method of partial averaging
p. 20-25
A~generalization of an~identity of M.~Riesz and certain applications of the generalized identity
p. 26-31
On the norm of the Ahiezer-Levitan operator in the space of uniform almost periodic functions
p. 32-36
On the rate of convergence of certain approximation methods of Galerkin type in eigenvalue problems
p. 37-45
Certain classes of locally convex topological spaces.~I
p. 46-57
On certain classes of regular functions univalent in an ellipse
p. 58-61
Focal $T$-pairs with the inverse and direct correspondence of developable surfaces
p. 62-69
On a~sequence of functionals
p. 70-77
A~generalization of the fundamental theorem of the theory of normalization
p. 78-82
On exponents of iteration systems
p. 83-92
Functional perturbations of asymptotically and tangentially-asymptotically stable positions of equilibrium
p. 93-97
Unconditionality of a~basis and partial order
p. 98-104
On a~mixed problem of the elastic equilibrium of a~circular ring
p. 105-110
$O$-rings and $LA$-rings
p. 111-122
On the structure of point sets in a~three-dimensional space
p. 123-126
The semigroups of the homeomorphisms of a~simple arc
p. 127-136
On semigroups with one-sided cancellatio
p. 137-147
On the question of the reconstruction of a~function from a~certain characteristic sequence
p. 148-157
The homogeneous Riemann boundary value problem with an~infinite index of logarithmic type
p. 158-163

Sommaire du Fascicule no. 3

A~mixed problem for a~class of polyharmonic equations
p. 3-11
An~infinite system of linear algebraic equations with complex-conjugate unknowns
p. 12-23
Linear polynomial operations in a~complex region
p. 24-31
The tangent complex of a~pair of congruences of straight lines
p. 32-38
Optimal conflicting control by a~linear system
p. 39-44
Operators connected with the projection method of solution of linear equations
p. 45-50
The complex moment problem for functions of several variables
p. 51-59
Surfaces of a~special form in the affine and projective spaces
p. 60-67
A~method of estimating solutions of an~integral equation
p. 68-72
Discrimination problems for the characteristics in a~three-dimensional space.
p. 73-83
Stability of solutions of a~system of linear first order partial difference equations
p. 84-89
An~integral form of the general solution of a~linear differential equation and its applications
p. 90-100
Schwarz's lemma for the $J$-nondilating matrix-functions
p. 101-108
Fourier integrals and best approximation by entire functions
p. 109-123
Estimation of the spectral density for a~class of stationary random processes
p. 124-127
Certain properties of a~class of periodic multiplicative complete orthonormal systems
p. 128-138
Approximate calculation of the original from the values of the image at equidistant points of the real axis
p. 139-143
Projective semigroups
p. 144-149
Almost subprojective spaces with a~cubic complex of geodesic lines
p. 150-155
An elementary proof of Urazbaev's asymptotic formula
p. 156-158
A~class of functions for which a~given summation method yields the best order approximation.~II
p. 159-165
Certain extremal properties of regular functions, bounded in the disc $|z|1$
p. 166-170
Distribution of the temperature stresses in an~elliptic anisotropic plate
p. 171-177
A~criterion for a~basis in the space of continuous functions
p. 178-182

Sommaire du Fascicule no. 4

Determination of the number of non-isomorphic groups of order not divisible by a~square of a~prime number
p. 3-8
Solution of the Cauchy problem for a~quasilinear partial differential equation of the first order.~I
p. 9-12
The concept of a~linear lattice which is normal in itself, and certain applications of this concept to the theory of linear and linear normed lattices
p. 13-22
Banach function spaces and integral operators.~I
p. 23-35
Lie algebras of rank one with a~non-zero inner product.~I
p. 36-43
Conditions for uniform convergence of double sine series
p. 44-52
On the conditional stability in the critical case of a~double zero root
p. 53-57
Stability of linear systems with retardation
p. 58-65
A~method of approximating periodic functions by trigonometric polynomials
p. 66-73
Geometry of the M\"obius strip and differential equations
p. 74-76
Application of the Jacobi polynomials to the solution of integral equations
p. 77-85
Generalized solutions of a~certain class of degenerating elliptic equations
p. 86-95
Partial idempotent operatives associated with ordered sets
p. 96-103
Exactness of~functors
p. 104-108
A~question on optimal processes with retardation
p. 109-113
Rings chain-like from the left
p. 114-117
Generalized Voronoi congruence and the number of classes of ideals of an~imaginary quadratic field
p. 118-126
A~method for solving Fredholm integral equations of the second kind
p. 127-128
Certain methods of obtaining criteria for the existence and nonexistence of periodic solutions of a~differential equation
p. 129-133
On the question of convergence of continued fractions
p. 134-138
One-dimensional diffusion processes in variable regions and their equivalence to locally-Wiener processes
p. 139-149
A~convergent interpolation process
p. 150-152
Potential invertibility of elements of semigroups
p. 153-163

Sommaire du Fascicule no. 5

An~a~priori estimate in the theory of hydrodynamic stability
p. 3-5
Completeness of holomorphs of Abelian groups with the automorphism~2
p. 6-12
Linear differential-geometric connections of higher order in the space of supporting elements
p. 13-24
Solution of the Cauchy problem for a quasilinear partial differential equation of the first order.~II
p. 25-32
Archimedean principle in homomorphic images of $l$-groups and of vector lattices
p. 33-38
Bending of congruences of straight lines in the three-dimensional extended non-Euclidean space
p. 39-48
Limiting relations almost everywhere on the unit circle for polynomials orthogonal on its arc
p. 49-58
Течение газа с~ударной волной через сопло Лаваля
p. 59-63
Sums of four cubes
p. 64-69
Lie algebras of rank one with a~non-zero inner product.~II
p. 70-77
Parallel and normal correspondence of two-dimensional surfaces in the four-dimensional Euclidean space $E_4$
p. 78-87
Certain sufficient conditions for univalence of a~solution of the inverse problem in the theory of filtration
p. 88-99
Qualitative study of a~singular case of stability in the case of two zero-roots
p. 100-111
Summation of integrals by the H\"older and Ces\`aro methods of negative order
p. 112-117
Polynomial matrices and systems of partial differential equations
p. 118-123
On the theory of generalized functions
p. 124-128
Extension of generalized heaps
p. 129-141
Baire functions in countable union spaces
p. 142-153
Asymptotic behavior of solutions of parabolic equations for $t\to\infty$.
p. 154-164

Sommaire du Fascicule no. 6

Linear methods of summation of Fourier series with prescribed rectangular matrices.~II
p. 3-17
The Chebyshev point of a~system of sets
p. 18-24
On the theory of generalized heapoids
p. 25-39
A~problem of constrained extremum for a~class of functions representable by a~Stieltyes integral
p. 40-49
Regular polyhedra on a~closed surface with the Euler characteristic $\chi=-3$
p. 50-53
Banach function spaces and integral operators.~II
p. 54-63
On the density of zeros of the Riemann $\zeta$-function and the Dirichlet $L$-functions near the straight line $\sigma=1$
p. 64-73
Surfaces in $E_4$ generating a~sequence of evolute surfaces
p. 74-84
Certain approximate methods of solution of nonlinear equations with unbounded operators
p. 85-94
Lower bounds for the complexity of probabilistic binary programs with a~large ordered part
p. 95-98
On methods of introducing a~topology in random metric spaces
p. 99-106
Tauberian theorems for the functional method of G.\,F.~Voronoi
p. 107-116
A~multi-dimensional linear differential equation of the second order with constant coefficient
p. 117-124
On an~integro-differential equation
p. 125-136
The theory of curvature of $X_2$ in $E_4$
p. 137-143
Restrictive bisemigroups associated with generalized heaps
p. 144-151
On a~problem of Frankl' for the Lavrent'ev equation in the case of an~unbounded region
p. 152-156
Completely simple semigroups without zero and idealizers of subsemigroups
p. 157-160
Approximate solution of differential and integral equations by means of asymptotic polynomials of the second kind
p. 161-169
Некоторые вопросы механики подобно изменяемого тела переменной массы
p. 170-176
On the question of uniqueness of the best approximation polynomial in the metric $M$
p. 177-186