
Significant Events 

Vasilii Grigorievich Cheban. A tribute in honor of his 80th birthday.
 pp.34 

Research Paper 

On the stability of effective solutions of a vector trajectory problem of discrete optimization. I. (Russian) Emelichev V. A., Girlikh E., Podkopaev D. P.  pp.516 
Topological rings whose subrings are linearly compact. (English) Bordan V. G.  pp.1719 
The group of units of a locally compact ring. (English) Costash A. I., Ursul M. I.  pp.2028 
Independence and quasiregularity in algebras. I. (Romanian) Ciocanu Gh.  pp.2939 
Acceleration of the solution of the problem of the natural oscillations of a body by the finite element method. (Russian) Semenchuk A. V., Popovskii M. V.  pp.4042 
Paracompact extentions and orderability of spaces. (English) Choban M., Nedev S.  pp.4351 
Typical representation of polynomial differential systems by means of firstorder comitants. (Russian) Makari P. M., Popa Mihail  pp.5260 
On equation of geodesic deviation and its solutions. (English) Driuma Valeriu, Konopelchenko B. G.  pp.6173 
A network transportation problem with concave cost functions of the flow on network edges, and its applications. (Russian) Bolyak R. I., Lozovanu Dmitrii  pp.7482 
Units, idempotents and nilpotents of an endomorphism ring. I. (English) Popa Mihail  pp.8393 
Foundations of the general theory of $W\sb q$symmetry. (Russian) Lungu A. P.  pp.94100 
$L\sb p$theory of generalized solutions of linear parabolic conjugation problems. (Russian) Zhitarashu N. V., Eidelman S. D.  pp.101108 
The repartition of multiplicity between three real isp of cubis differential system. (English) Gheorghiu L. E., Vulpe Nicolae  pp.109118 

Short Communication 

On the nilpotency of finitely determined nil algebras. (English) Chekanu G., Gheorghiciuc I.  pp.119119 