%0 Journal Article %A K. I. Babenko %T The theory of extremal problems for univalent functions of class~$S$ %J Informatics and Automation %D 1972 %P 3-321 %V 101 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1972_101_a0/ %G ru %F TRSPY_1972_101_a0