1. Classical rings of quotients of semiprimePI-rings

   • K. I. Beidar

   OriginalPaper Pages: 1 - 8

2. Semisimple periodic groups of finitary transformations

   • V. V. Belyaev

   OriginalPaper Pages: 8 - 16

3. The number of nonequivalent computable indexations for a fixed family of sets

   • S. L. Bereznyuk

   OriginalPaper Pages: 17 - 23

4. Effective choice operations on constructive and positive models

   • Yu. G. Ventsov

   OriginalPaper Pages: 23 - 28

5. Functional trees and automorphisms of models

   • A. S. Morozov

   OriginalPaper Pages: 28 - 38

6. Decomposition of a variety of alternative algebras into a subvariety product

   • V. T. Filippov

   OriginalPaper Pages: 39 - 50

7. Minimal transitive graphs of finite simple groups

   • N. A. Chukanov

   OriginalPaper Pages: 51 - 61