1. Structure of p-adic Schottky groups

   • N. G. Chebotarev

   OriginalPaper Pages: 911 - 914

2. Convergence of Cesàro means of negative order of functions of bounded generalized second variation

   • T. I. Akhobadze

   OriginalPaper Pages: 914 - 922

3. Cauchy-type LG^* integral

   • I. A. Vinogradova

   OriginalPaper Pages: 922 - 927

4. Best approximation by splines on classes of periodic functions in the metric of L

   • N. P. Korneichuk

   OriginalPaper Pages: 927 - 933

5. Tests for the convergence of continued fractions, based on the fundamental system of inequalities

   • S. S. Khloponin

   OriginalPaper Pages: 933 - 938

6. Perturbations of the Schrödinger equation by potentials with small support

   • I. D. Chueshov

   OriginalPaper Pages: 938 - 941

7. Conditions for the embedding of classes of sequences and their consequences

   • I. V. Shragin

   OriginalPaper Pages: 942 - 948

8. Approximation of a linear system of second-order differential equations

   • Yu. Ya. Belov

   OriginalPaper Pages: 948 - 953

9. Self-conjugacy of abstract differential operators of the hyperbolic type

   • L. I. Vainerman

   OriginalPaper Pages: 954 - 957

10. Conditions for the self-adjointness of a quasi-elliptic operator

    • M. G. Gimadislamov

    OriginalPaper Pages: 957 - 961

11. Regularity of boundary points for linear equations of parabolic type

    • I. T. Mamedov

    OriginalPaper Pages: 961 - 965

12. Coercive estimates for a class of differential operators

    • B. P. Paneyakh

    OriginalPaper Pages: 965 - 969

13. Extension of linear functionals in Banach spaces of measurable functions

    • M. S. Braverman
    • G. Ya. Lozanovskii

    OriginalPaper Pages: 969 - 973

14. R^(∞) is diffeomorphic to R^(∞)∖{0}

    • A. A. Lobuzov

    OriginalPaper Pages: 973 - 976

15. A certain approach to the problem of regularization on the basis of the perturbation of linear operators

    • N. A. Sidorov
    • V. A. Trenogin

    OriginalPaper Pages: 976 - 979

16. Inversion of the oscillatory property of focusing operators

    • Yu. V. Pokornyi
    • S. V. Smitskikh

    OriginalPaper Pages: 980 - 984

17. Axiomatic theory of convexity

    • V. V. Tuz

    OriginalPaper Pages: 984 - 989

18. Contractibility of the diagonal of the product of a hyperelliptic curve with itself

    • B. V. Martynov

    OriginalPaper Pages: 989 - 991

19. Approximation of a class of functions of several variables by certain polynomial operators

    • L. I. Bausov
    • I. M. Petrov

    Report Pages: 992 - 995

20. Theorems of Korovkin type

    • A. D. Gadzhiev

    Report Pages: 995 - 998

21. Exact constants in some converse theorems for approximations by trigonometric polynomials

    • A. F. Timan
    • V. N. Trofimov

    Report Pages: 999 - 1002