1. The number of solutions of a Waring-type congruence

   • B. G. Kotsarev

   OriginalPaper Pages: 401 - 404

2. The chromatic class and the location of a graph on a closed surface

   • L. S. Mel'nikov

   OriginalPaper Pages: 405 - 411

3. Isomorphic extension theorem

   • A. I. Pilatovskaya

   OriginalPaper Pages: 412 - 414

4. Retracts of structures

   • T. S. Fofanova

   OriginalPaper Pages: 415 - 418

5. Nonexistence of o-injective partially ordered modules

   • M. A. Shatalova

   OriginalPaper Pages: 419 - 420

6. Dimension-increasing mappings

   • G. S. Skordev

   OriginalPaper Pages: 421 - 426

7. Invariant finite-dimensional exponential families on homogeneous spaces

   • P. N. Sapozhnikov

   OriginalPaper Pages: 427 - 431

8. Removability of certain sets in the class of three-dimensional quasiconformal mappings

   • A. P. Kopylov
   • I. N. Pesin

   OriginalPaper Pages: 432 - 434

9. Order of approximation of functions of the class Z₂(Eⁿ) by linear positive convolution operators

   • A. I. Kamzolov

   OriginalPaper Pages: 435 - 440

10. Criterion for the compactness of a class of functions of W _m ^l (Ω), (1 <mι ≤ n)

    • S. F. Morozov
    • V. I. Sumin

    OriginalPaper Pages: 441 - 445

11. Stability of nonlinear systems with delay

    • V. B. Kolmanovskii

    OriginalPaper Pages: 446 - 450

12. Negative spectrum of the Schrödinger operational equation

    • D. R. Yafaev

    OriginalPaper Pages: 451 - 457

13. Direct and inverse approximation theorems in Banach spaces and Fourier transforms

    • N. P. Kuptsov

    OriginalPaper Pages: 458 - 466