1. Infinite hankel matrices and generalized carathéodory — fejer and riesz problems

   • V. M. Adamyan
   • D. Z. Arov
   • M. G. Krein

   OriginalPaper Pages: 1 - 18

2. Representations of quaternion groups over locally compact and functional fields

   • I. M. Gel'fand
   • M. I. Graev

   OriginalPaper Pages: 19 - 33

3. The structure of Γ-rational groups for some discrete subgroup Γ of the group SL (2, R)

   • D. A. Kazhdan

   OriginalPaper Pages: 34 - 37

4. Motion of a viscous liquid in an open vessel

   • S. G. Krein
   • G. I. Laptev

   OriginalPaper Pages: 38 - 47

5. Operators which are similar to unitary operators with absolutely continuous spectrum

   • L. A. Sakhnovich

   OriginalPaper Pages: 48 - 60

6. Markov partitions and C-diffeomorphisms

   • Ya. G. Sinai

   OriginalPaper Pages: 61 - 82

7. Positive boundary value problems for pseudodifferential operators of first order

   • M. S. Agranovich

   Brief Communications Pages: 83 - 84

8. Feasibility of the analytic continuationf ₊ ^λ for certain polynomialsf

   • I. N. Bernshtein

   Brief Communications Pages: 85 - 87

9. Infinite-dimensional filtered Lie algebras and their connection with graded Lie algebras

   • B. Yu. Veisfeiler

   Brief Communications Pages: 88 - 89

10. Method of orbits in the theory of unitary representations of Lie groups

    • A. A. Kirillov

    Brief Communications Pages: 90 - 93

11. Discrete series of unitary representations of the Lie algebra of the group O(p, q)

    • A. V. Nikolov

    Brief Communications Pages: 94 - 95