TY  - JOUR
AU  - K. I. Babenko
TI  - On the theory of the second variation of functionals on the class $S$ of univalent functions
JO  - Doklady Akademii Nauk
PY  - 1970
SP  - 970
EP  - 973
VL  - 193
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1970_193_5_a1/
LA  - ru
ID  - DAN_1970_193_5_a1
ER  -