Geodesic

Sommaire du Fascicule no. 1

On the factorization of the function $B_\alpha$
p. 3-10
Methods of summation and best approximation
p. 11-20
On the order of approximation of a~continuous $2\pi$-periodic function by Fejer and Poisson means of its Fourier series
p. 21-32
Differentiation with respect to nets and the Haar series
p. 33-40
Projectors in certain Banach lattices
p. 41-44
Classes of convex sets as generalized metrical spaces
p. 45-52
On the speed of convergence in the method of Fejer approximations
p. 53-61
Distribution of values of certain classes of additive arithmetic functions in algebraic number fields
p. 63-73
2-Groups with normal noncyclic subgroups
p. 75-83
Neutral polyverbal operations
p. 85-89
On periodic groups of automorphisms of extremal groups
p. 91-96
The convergence to a~Gaussian process of the number of empty cells in the classical problem of distributing particles among cells
p. 97-103
An~existence principle for a~periodic solution of a~differential equation in Banach space
p. 105-111
The theory of thermal potentials and its applications
p. 113-123

Sommaire du Fascicule no. 2

About a~system of indeterminate equations
p. 125-128
Modular forms and Hilbert functions for the field $Q(\sqrt 2)$
p. 129-136
On the problem of field embedding
p. 137-140
Hochschild cohomologies for $Z$-rings with a~power basis
p. 141-150
On the Theorem of Maschke
p. 151-154
An~invariant of multiply connected manifolds
p. 155-163
Certain properties of surfaces of negative external curvature in Lobachevskian space
p. 165-168
Some asymptotic spectral properties of singular operators
p. 169-172
A~criterion for a small change in the direction of the solutions of a~linear system of differential equations as the result of small disturbances in the coefficients of the system
p. 173-180
On the first boundary problem for a~hyperbolic equation in an arbitrary cylinder
p. 181-189
Representation of functions analytic in a~closed domain by series of rational functions
p. 191-200
The order of approximation to functions of the $Z_\alpha$. Class by means of positive linear operators
p. 201-210
Unconditional convergence almost everywhere of Fourier series of continuous functions in the Haar system
p. 211-220
Exact constants in inequalities between norms of derivatives of functions
p. 221-232
Kolmogorov-type inequalities and the best formulas for numerical differentiation
p. 233-238
Branching processes
p. 239-251

Sommaire du Fascicule no. 3

Convergence and divergence systems
p. 253-260
Some estimates of the rate of summability of orthogonal series by linear means
p. 261-268
A generalization of a theorem of M.~Riesz to the case of functions of several variables
p. 269-280
On a property of $N$-functions
p. 281-290
Approximation of differentiable functions by partial sums of their Fourier series
p. 291-300
Sufficient conditions that the minimum and maximum of partial differential operators should coincide and that their spectra should be discrete
p. 301-312
The convergence of a new iteration process for the solution of nonlinear functional equations in Banach space
p. 313-322
Nonsymmetrical distance between probability distributions, entropy and the theorem of Pythagoras
p. 323-332
On zeta functions of fields of algebraic numbers
p. 333-339
On a certain class of transcendental numbers
p. 341-348
On subgroups of Demushkin groups
p. 349-354
Isomorphisms of free decompositions of $\Gamma$-operator groups with a regular group of operators~$\Gamma$
p. 355-360
On the existence of stably nilpotent subgroups in locally nilpotent groups
p. 361-368
On minimal universal trees
p. 371-380

Sommaire du Fascicule no. 4

Manifolds with the action of the group $Z_p$ and fixed points
p. 381-386
Two remarks on varieties of Lie algebras
p. 387-398
A countable simple quasiregular ring
p. 399-403
Isotone mapping of free lattices
p. 405-416
Fisher's inequality for tactical configurations
p. 417-424
Fundamental solutions of linear elliptic equations containing a small parameter
p. 425-434
Representation of functions, harmonic in a half-space, by Cauchy's formula
p. 435-442
A class of half-strip pasting functions
p. 443-451
Series with respect to the Schauder system
p. 453-460
The integrability of conjugate functions
p. 461-465
Generalized Liouville differentiation and the method of multiplicators in imbedding theory for function classes
p. 467-482
On the theory of linear systems of ordinary differential equations
p. 483-490

Sommaire du Fascicule no. 5

The relation between the correctness of the first differential approximations and the stability of difference schemes for hyperbolic systems of equations
p. 493-502
Continuous regularization of linear operator equations in a~Hilbert space
p. 503-509
A~finite partially ordered set and its corresponding set of permutations
p. 511-518
The different and discriminant of regular mappings
p. 519-523
On algebraic independence of some numbers
p. 525-532
On estimates for the Green's function for a~multipoint boundary problem
p. 533-540
Summation of arbitrary series by Riesz methods
p. 541-550
Systems of functions with the dual orthogonality property
p. 551-556
On the completeness of a~system of functions on a~segment
p. 557-568
The Nevalinna-Pick problem with supplementary conditions
p. 569-578
The representation of integral functions by series of the form $\sum_{n=1}^\infty\,\alpha_n f(\lambda_n z)$
p. 579-588
On a~problem of linear extrapolation for homogeneous and isotropic random fields from the observations on a~circle
p. 589-598
Limit distribution of additive functionals of diffusion processes
p. 599-610
Investigations of multidimensional, infinite-dimensional and limit theorems of the theory of probabilities
p. 611-619

Sommaire du Fascicule no. 6

On the inevitable error of the method of nets
p. 621-627
On varieties of $n$-solvable groups
p. 629-634
Some remarks on linear groups
p. 635-638
The theory of radicals in lattice-ordered rings
p. 639-648
On the greatest length of a~dead-end disjunctive normal form for almost all Boolean functions
p. 649-658
Ordered proximity spaces
p. 659-667
Embeddingof a~finite $CW$-complex in a~sphere
p. 669-676
Inverse scattering problem for the Schroedinger equation on the axis
p. 677-684
Some properties of support functionals
p. 685-696
The summation of orthogonal series by linear methods
p. 697-705
On the uniqueness of a~Haar series that converges with respect to subsequences of partial sums
p. 707-714
On the mutual growth of neighboring coefficients of univalent functions
p. 715-722
A~bound for the distortion near the boundary in the conformal mapping of infinite strips
p. 723-728
Application of an~arbitrarily rapidly convergent method to the reducibility problem for linear systems with odd almost-periodic coefficients
p. 729-740
Density of an~individual solution and ergodicity of a~family of solutions to the equation $d\eta/d\xi=P(\xi,\,\eta)/Q(\xi,\,\eta)$
p. 741-750
Smooth topologically transitive dynamic systems
p. 751-759
Errata