1. Approximation of classes of convolutions by linear methods of summation of Fourier series

   • D. M. Bushev

   OriginalPaper Pages: 825 - 843

2. On the best approximations and rate of convergence of decompositions in the root vectors of an operator

   • G. V. Radzievskii

   OriginalPaper Pages: 844 - 864

3. Construction of approximations for a stationary solution of a system of singular ordinary differential equations

   • I. M. Romanyshyn
   • L. A. Synyts’kyi

   OriginalPaper Pages: 865 - 870

4. Spectral problems for canonical systems of finite-difference equations on an axis

   • L. A. Sakhnovich

   OriginalPaper Pages: 871 - 882

5. Structure of locally graded nonnilpotent CDN[]-groups

   • M. M. Semko

   OriginalPaper Pages: 883 - 893

6. The existence of a bifurcation value of a parameter of a system of differential equations with deviating argument

   • M. T. Terekhin
   • L. V. Nasykhova

   OriginalPaper Pages: 894 - 900

7. Conditional symmetry of the Navier-Stokes equations

   • V. I. Fushchich
   • M. I. Serov
   • L. O. Tulupova

   OriginalPaper Pages: 901 - 909

8. Application of one constructive method for the construction of non-Lie solutions of nonlinear evolution equations

   • R. M. Cherniha

   OriginalPaper Pages: 910 - 924

9. On the optimal renewal of bilinear functionals in linear Normed spaces

   • V. F. Babenko
   • A. A. Rudenko

   Brief Communications Pages: 925 - 929

10. Boundary-value problems for systems of difference equations

    • A. A. Boichuk

    Brief Communications Pages: 930 - 934

11. Conditions of nonoscillation of binomial systems of differential equations

    • M. K. Bugir

    Brief Communications Pages: 935 - 942

12. On ascending and subnormal subgroups of infinite factorized groups

    • F. De Glovanni
    • S. Franclosi
    • Ya. P. Sysak

    Brief Communications Pages: 943 - 949

13. Construction of nonnilpotent biprimary dispersible groups with metacyclic subgroups of nonprimary index

    • L. I. Zuzuk

    Brief Communications Pages: 950 - 952

14. Congruences and quasiidentities on unars

    • G. Ch. Kurinnyi

    Brief Communications Pages: 953 - 959

15. Stable difference scheme for a nonlinear Klein-Gordon equation

    • I. L. Nizhnik

    Brief Communications Pages: 960 - 962

16. A criterion of diagonalizability of a pair of matrices over the ring of principal ideals by common row and separate column transformations

    • V. M. Petrichkovich

    Brief Communications Pages: 963 - 965

17. On the existence and uniqueness of a solution of a linear stochastic differential equation with respect to a logarithmic process

    • A. Yu. Pilipenko

    Brief Communications Pages: 966 - 975

18. On the application of Ateb-functions to the construction of a solution of a nonlinear Klein-Gordon equation

    • B. I. Sokil

    Brief Communications Pages: 976 - 983

19. A remark on quasianalytic vectors for a pair of anticommuting operators

    • S. V. Tishchenko

    Brief Communications Pages: 984 - 987