%0 Journal Article %A S. A. Gabrusevich %A A. A. Gusak %A M. D. Martynenko %T Fifth Republican Conference of Byelorussian Mathematicians %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1981 %V 36 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1981_36_2_a28/ %G ru %F RM_1981_36_2_a28