%0 Journal Article %A Yu. E. Alenitsyn %T Some extremal properties of functions multivalent in multiply-connected domains %J Doklady Akademii Nauk %D 1962 %P 267-269 %V 146 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_146_2_a1/ %G ru %F DAN_1962_146_2_a1