TY - JOUR AU - A. S. Sorokin TI - Keldysh--Sedov formulas and differentiability with respect to the parameter of families of univalent functions in $n$-connected domains JO - Matematičeskie zametki PY - 1995 SP - 878 EP - 889 VL - 58 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1995_58_6_a7/ LA - ru ID - MZM_1995_58_6_a7 ER -