
Research Paper 

Global attractors of infinitedimensional dynamical systems. III. (Russian) Cheban D. N., Fakikh D. S.  pp.313 
Bounded semidirect products of topological algebras. (Romanian) Bordan V. G.  pp.1417 
Topological rings with linearly compact open subrings. (English) Ursul M. I.  pp.1821 
Twodimensional point groups of hypercrystallographic $P$symmetries and their multidimensional applications. (Russian) Zamorzaev A. M.  pp.2231 
On the convexity of an objective function in some optimization problems on a tree. (Romanian) Zambitschi D.  pp.3235 
Bounded subsets in some topological rings. (English) Costash A. I., Ursul M. I.  pp.3642 
Torsion theories and dualities in Morita contexts. (English) Caşu Alexei  pp.4351 
Complete quadratic systems with a dicritical node. (Russian) Lupan M. N.  pp.5254 
On the number and types of basis comitants of a differential system with fourthorder homogeneous righthand sides. (Russian) Makari P. M.  pp.5565 
On properties, asymptotic with respect to extension, of points of topological transformation semigroups. (Russian) Gerko A. I.  pp.6675 
The repartition of multiplicity between four infinite singular points of cubic differential system. (English) Baltag Valeriu, Gheorghiu L. E, Vulpe Nicolae  pp.7688 
Embedding of a topological group as a quasicomponent into another group in a variety of abelian groups. (Russian) Yunusov A. S.  pp.8995 
Finiteness of eigenvalues of selfadjoint integrodifferential operators. (English) Cojuhari P., Stanescu M.  pp.9699 
Affine invariant conditions for topologically distinguishing quadratic systems without finite critical points. (English) Voldman A., Vulpe Nicolae  pp.100112 