1. The existence of positive eigenvectors and a bound on the spectrum of a class of positive linear operators

   • I. A. Bakhtin

   OriginalPaper Pages: 523 - 532

2. On the solution of extremal problems for a class of quasiconformal mappings

   • P. A. Biluta

   OriginalPaper Pages: 533 - 540

3. Quotient groups of the multiplicative semigroups of certain rings. II

   • L. A. Bokut'

   OriginalPaper Pages: 541 - 582

4. Quotient groups of the multiplicative semigroups of certain rings. III

   • L. A. Bokut'

   OriginalPaper Pages: 583 - 600

5. Locally trivial extensions of transformation groups

   • I. U. Bronshtein

   OriginalPaper Pages: 601 - 610

6. Mutual restrictions of curvature and area of a surface in a sphere of fixed diameter

   • Yu. D. Burago

   OriginalPaper Pages: 611 - 630

7. Convergence of orthogonal polynomials at a point

   • A. I. Kovalenko

   OriginalPaper Pages: 631 - 639

8. Imbedding theorems for abstract function spaces and the complete continuity of the imbedding operator

   • V. B. Korotkov

   OriginalPaper Pages: 640 - 663

9. On two classes of linear mappings, acting between Banach spaces and Banach lattices

   • V. L. Levin

   OriginalPaper Pages: 664 - 668

10. Certain peculiarities of regular methods of double sequences

    • O. M. Logunova

    OriginalPaper Pages: 669 - 675

11. Completely decomposable lattices

    • M. G. Rabinovich

    OriginalPaper Pages: 676 - 689

12. On a property of ideals of free Lie algebras

    • V. A. Parfenov

    Notes Pages: 690 - 693

13. On representation of universal algebras in nilpotent semigroups

    • Yu. K. Rebane

    Notes Pages: 694 - 697

14. Concerning the problem of the existence of simple nil-rings

    • Yu. M. Ryabukhin

    Notes Pages: 698 - 702

15. Errata

    Errata Pages: 703 - 703