TY  - JOUR
AU  - S. P. Grushevskii
TI  - Certain extremal problems on the class of the functions that map the upper half plane into itself
JO  - Matematičeskie zametki
PY  - 1983
SP  - 913
EP  - 921
VL  - 34
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1983_34_6_a11/
LA  - ru
ID  - MZM_1983_34_6_a11
ER  -