%0 Journal Article %A O. V. Mel'nikov %A V. P. Platonov %T All-Union Algebraic Conference (Minsk) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1984 %V 39 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1984_39_3_a19/ %G ru %F RM_1984_39_3_a19