%0 Journal Article %A L. N. Shevrin %T Third All-Union Symposium on Group Theory %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1989 %V 44 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1989_44_6_a12/ %G ru %F RM_1989_44_6_a12