Finiteness of A Set of Quasivarieties of Torsion-Free Metabelian Groups of Axiomatic Rank 2 Yu. A. Avtsinova OriginalPaper 27 July 2011 Pages: 195 - 210
Finite alperin 2-groups with cyclic second commutants B. M. Veretennikov OriginalPaper 27 July 2011 Pages: 226 - 244
A hybrid calculus for logic N * : residual finiteness and decidability S. A. Drobyshevich OriginalPaper 27 July 2011 Pages: 245 - 256
A quasivariety lattice of torsion-free soluble groups A. L. Polushin OriginalPaper 27 July 2011 Pages: 257 - 271
Abelian and Hamiltonian varieties of groupoids A. A. StepanovaN. V. Trikashnaya OriginalPaper 27 July 2011 Pages: 272 - 278
Turing jumps in the Ershov hierarchy M. Kh. Faizrakhmanov OriginalPaper 27 July 2011 Pages: 279 - 289