TY - JOUR AU - Yu. E. Alenitsyn TI - Some extremal properties of functions multivalent in multiply-connected domains JO - Doklady Akademii Nauk PY - 1962 SP - 267 EP - 269 VL - 146 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_146_2_a1/ LA - ru ID - DAN_1962_146_2_a1 ER -