1. Construction of finite lattices of subsemilattices

   • K. V. Adaricheva

   OriginalPaper Pages: 249 - 264

2. Upper semilattice of recursively enumerable sQ-degrees

   • R. Sh. Omanadze

   OriginalPaper Pages: 265 - 271

3. Semantically universal classes of models

   • M. G. Peretyat'kin

   OriginalPaper Pages: 271 - 282

4. Generalizations of purity

   • N. A. Serdyukova

   OriginalPaper Pages: 282 - 296

5. Decidability of elementary theories of certain finitely defined algebras

   • L. V. Shabunin

   OriginalPaper Pages: 296 - 310

6. One-dimensional subalgebras of a bernstein algebra

   • S. González

   OriginalPaper Pages: 310 - 327