%0 Journal Article %A K. I. Babenko %T The theory of extremal problems for univalent functions of class~$S$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1972 %P 3-321 %V 101 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1972_101_a0/ %G ru %F TM_1972_101_a0