1. Reduction of the multidimensional d’Alembert equation to two-dimensional equations

   • A. F. Barannik
   • L. F. Barannik
   • V. I. Fushchich

   OriginalPaper Pages: 699 - 713

2. Cauchy problem for an essentially infinite-dimensional parabolic equation with variable coefficients

   • Yu. V. Bogdanskii

   OriginalPaper Pages: 714 - 724

3. On the isomorphism of wreath products of groups

   • Yu. V. Bodnarchuk

   OriginalPaper Pages: 725 - 734

4. Extremal properties of nondifferentiable convex functions on euclidean sets of combinations with repetitions

   • O. A. Emets

   OriginalPaper Pages: 735 - 747

5. Normal structure of the jonquere group over a field of characteristic zero

   • N. L. Ivanenko

   OriginalPaper Pages: 748 - 755

6. On the existence of a mixed sum of additive systems

   • T. V. Karataeva

   OriginalPaper Pages: 756 - 764

7. On necessary conditions of equivalence of gaussian measures corresponding to homogeneous random fields

   • S. M. Krasnitskii

   OriginalPaper Pages: 765 - 778

8. T-differentiable functionals and ther critical points

   • V. S. Mel'nik

   OriginalPaper Pages: 779 - 789

9. Control of singular distributed parabolic systems with discontinuous nonlinearities

   • V. N. Pavlenko

   OriginalPaper Pages: 790 - 798

10. Solutions of systems of nonlinear functional-differential equations bounded in the entire real axis and their properties

    • A. M. Samoilenko
    • G. P. Pelyukh

    OriginalPaper Pages: 799 - 811

11. Dependence of Green’s function of an e-dichotomous differential equation with matrix projector in the space\(\mathfrak{M}\) on parameters

    • Yu. V. Teplinskii

    OriginalPaper Pages: 812 - 819

12. Nontrivial periodic solutions of a nonautonomous system of second-order differential equations

    • M. T. Terekhin

    OriginalPaper Pages: 820 - 826

13. Refined estimates for the ɛ-entropy of the classesKH ₀ ^α

    • I. Ya. Tyrygin

    OriginalPaper Pages: 827 - 831

14. Limiting process for integral functionals of a wiener process on a cylinder

    • Yu. B. Koval'

    Brief Communications Pages: 832 - 836

15. On a set of partial limits of a sequence of weighted sums of independent random variables

    • A. M. Kulik

    Brief Communications Pages: 837 - 846

16. Circularm-functions

    • T. A. Kurashvili

    Brief Communications Pages: 847 - 852

17. On a method for constructing one-frequency solutions of a nonlinear wave equation

    • B. I. Sokil

    Brief Communications Pages: 853 - 856

18. Necessary and sufficient conditions of harmonicity of functions of infinitely many variables (Jacobian case)

    • M. N. Feller

    Brief Communications Pages: 857 - 862

19. Strict quasicomplements and the operators of dense imbedding

    • V. V. Shevchik

    Brief Communications Pages: 863 - 867