TY  - JOUR
AU  - V. O. Kuznetsov
TI  - On properties of associated quadratic differentials in some extremal problems
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1988
SP  - 85
EP  - 97
VL  - 168
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1988_168_a7/
LA  - ru
ID  - ZNSL_1988_168_a7
ER  -