@article{TRSPY_1972_101_a0, author = {K. I. Babenko}, title = {The theory of extremal problems for univalent functions of class~$S$}, journal = {Informatics and Automation}, pages = {3--321}, publisher = {mathdoc}, volume = {101}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1972_101_a0/} }