1. Mark Grigor'evich Krein

   • Yu. A. Mitropol'skii

   Announcement Pages: 1 - 2

2. On M. G. Krein's papers in the theory of spaces with an indefinite metric

   • T. Ya. Azizov
   • Yu. P. Ginsburg
   • H. Langer

   OriginalPaper Pages: 3 - 14

3. On time-dependent orthogonal polynomials on the unit circle

   • Asher Ben-Artzi
   • Israel Gohberg

   OriginalPaper Pages: 15 - 33

4. New aspects of Krein's extension theory

   • J. F. Brasche
   • V. Koshmanenko
   • H. Neidhardt

   OriginalPaper Pages: 34 - 53

5. Theory of self-adjoint extensions of symmetric operators. entire operators and boundary-value problems

   • M. L. Gorbachuk
   • V. I. Gorbachuk

   OriginalPaper Pages: 54 - 61

6. On M. G. Krein's contribution to the moment problem

   • A. A. Nudel'man

   OriginalPaper Pages: 62 - 74

7. M. G. Krein's ideas in the theory of orthogonal polynomials

   • B. P. Osilenker

   OriginalPaper Pages: 75 - 86

8. M. G. Krein's investigations in the theory of entire and meromorphic functions and their further development

   • I. V. Ostrovskii

   OriginalPaper Pages: 87 - 100

9. Szegö-Kolmogorov-Krein theorems on weighted trigonometrical approximation and Cárleman-type relations

   • V. P. Khavin
   • V. A. Bart

   OriginalPaper Pages: 101 - 132

10. On M. G. Krein's work in the theory of linear periodic Hamiltonian systems

    • V. A. Yakubovich

    OriginalPaper Pages: 133 - 148