1. List of reports presented at the seminar on "Alge bra and logic"

   Legacy Pages: 131 - 131

2. Two theorems on recursively enumerable sets

   • M. M. Arslanov

   OriginalPaper Pages: 132 - 134

3. One theorem of G. Higman

   • M. K. Valiev

   OriginalPaper Pages: 135 - 143

4. Minimization of the complexity function in the class of pushdown store automata and categorial grammars of complexity three

   • A. Ya. Dikovskii
   • L. S. Modina

   OriginalPaper Pages: 144 - 152

5. Restricted theories of completely ordered sets

   • Yu. L. Ershov

   OriginalPaper Pages: 153 - 159

6. Intersection and union of relatively convex subgroups of ordered groups

   • A. I. Kokorin

   OriginalPaper Pages: 160 - 161

7. Matrix groups

   • V. M. Kopytov

   OriginalPaper Pages: 162 - 166

8. 2-Signalizers of finite groups

   • V. D. Mazurov

   OriginalPaper Pages: 167 - 168

9. Matrix representation of automorphisms, extensions, and solvable groups

   • Yu. I. Merzlyakov

   OriginalPaper Pages: 169 - 192

10. Over-solvable groups of automorphisms of finite solvable groups

    • S. A. Syskin

    OriginalPaper Pages: 193 - 194

11. Finite groups with cyclic non-primary nilpotent subgroups

    • A. N. Fomin

    OriginalPaper Pages: 195 - 200

12. Power of the set of maximal subalgebras of an algebra of partial-recursive functions

    • A. I. Shcheglov

    OriginalPaper Pages: 201 - 202

13. Letter to the editor

    • V. N. Remeslennikov

    Letter Pages: 203 - 203

14. Letter to the editor

    • N. S. Romanovskii

    Letter Pages: 203 - 203

15. Attention readers!

    Announcement Pages: 204 - 204