TY - JOUR AU - Yu. E. Alenitsyn TI - Some extremal properties of conformal mappings of a~multiply connected domain onto canonical $p$-sheeted surfaces JO - Matematičeskie zametki PY - 1978 SP - 261 EP - 270 VL - 23 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1978_23_2_a9/ LA - ru ID - MZM_1978_23_2_a9 ER -