%0 Journal Article %A V. V. Volchkov %T On a~problem of Zalcman and its generalizations %J Matematičeskie zametki %D 1993 %P 30-36 %V 53 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1993_53_2_a3/ %G ru %F MZM_1993_53_2_a3