1. The 250th anniversary of the Academy of Sciences of the USSR

   Announcement Pages: 335 - 338

2. On certain completions of K-lineals

   • A. S. Bondarev

   OriginalPaper Pages: 339 - 346

3. A mixed boundary value problem of carleman type

   • S. K. Gavrilov

   OriginalPaper Pages: 347 - 356

4. Bounds on the stability of Lorentz mappings

   • L. G. Gurov

   OriginalPaper Pages: 357 - 369

5. On the minimum volume of an analytic set

   • V. É. Katsnel'son
   • L. I. Ronkin

   OriginalPaper Pages: 370 - 378

6. Integral representations of linear operators

   • V. B. Korotkov

   OriginalPaper Pages: 379 - 391

7. Semiisomorphisms of certain classes of groups

   • S. V. Larin

   OriginalPaper Pages: 392 - 397

8. Quasiexponential polynomial bases in analytic spaces

   • S. S. Linchuk
   • N. I. Nagnibida

   OriginalPaper Pages: 398 - 402

9. A finiteness condition in topological groups

   • Yu. N. Mukhin
   • E. N. Starukhina

   OriginalPaper Pages: 403 - 407

10. Transfer effects for age-dependent discrete-time branching processes. II

    • S. V. Nagaev

    OriginalPaper Pages: 408 - 415

11. ε-free models

    • B. R. Frenkin

    OriginalPaper Pages: 416 - 428

12. On the solution of an operator equation in the class of entire functions

    • Yu. N. Frolov

    OriginalPaper Pages: 429 - 436

13. On the generalization of solid and infrasolid cones

    • I. I. Chuchaev

    OriginalPaper Pages: 437 - 441

14. Functional bivarieties in functor categories

    • E. G. Shul'geifer

    OriginalPaper Pages: 442 - 456

15. A frequency theorem for the case in which the state and control spaces are hilbert spaces, with an application to some problems in the synthesis of optimal controls. I

    • V. A. Yakubovich

    OriginalPaper Pages: 457 - 476

16. A Nikodym theorem for triangular set functions

    • L. V. Agafonova
    • V. M. Klimkin

    Notes Pages: 477 - 481

17. On geometric properties of symmetric spaces

    • M. Sh. Braverman

    Notes Pages: 482 - 485

18. Analyticity of solutions of some nonlinear equations

    • V. A. Gromov

    Notes Pages: 486 - 487

19. On the uniqueness of the recovery of the domain and the density from an exterior potential

    • V. M. Isakov

    Notes Pages: 488 - 490

20. On the boundedness of the trajectories of phase systems

    • G. A. Leonov

    Notes Pages: 491 - 495

21. On operators in L_p (R_n) spaces which commute with shifts

    • V. D. Stepanov

    Notes Pages: 496 - 501