TY  - JOUR
AU  - K. I. Babenko
TI  - Some questions in the theory of extremal problems of univalent functions of class~$S$
JO  - Doklady Akademii Nauk
PY  - 1970
SP  - 12
EP  - 15
VL  - 194
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1970_194_1_a1/
LA  - ru
ID  - DAN_1970_194_1_a1
ER  -