%0 Journal Article %A A. N. Kochetkov %T Extremal problems for bounded analytic functions with supplementary conditions %J Matematičeskie zametki %D 1970 %P 63-68 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1970_7_1_a6/ %G ru %F MZM_1970_7_1_a6