%0 Journal Article
%A I. M. Kotsur
%A M. F. Kotsur
%T The radius of $n$-valent convexity and starlikeness for some special classes of analytical functions on a~disk
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1997
%P 48-50
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1997_10_a6/
%G ru
%F IVM_1997_10_a6