%0 Journal Article %A P. M. Tamrazov %T Some extremal problems in conformal mapping %J Sbornik. Mathematics %D 1967 %P 85-109 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1967_2_1_a6/ %G en %F SM_1967_2_1_a6