TY  - JOUR
AU  - I. M. Kotsur
AU  - M. F. Kotsur
TI  - The radius of $n$-valent convexity and starlikeness for some special classes of analytical functions on a~disk
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1997
SP  - 48
EP  - 50
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1997_10_a6/
LA  - ru
ID  - IVM_1997_10_a6
ER  -