The signature of the Ricci curvature of left-invariant Riemannian metrics on four-dimensional Lie groups. The nonunimodular case A. G. KremlevYu. G. Nikonorov OriginalPaper 16 March 2010 Pages: 1 - 57
Cardinalities of definable sets in superstructures over models K. Zh. Kudaibergenov OriginalPaper 16 March 2010 Pages: 58 - 67
A jump inversion theorem for the semilattices of sigma-degrees A. I. Stukachev OriginalPaper 16 March 2010 Pages: 68 - 74
