%0 Journal Article
%A O. G. Hudayberenow
%A N. O. Hudaywerenow
%T An Estimate of the Number of Periodic Solutions of the Abel Equation
%J Differencialʹnye uravneniâ
%D 2004
%P 1140-1142
%V 40
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2004_40_8_a17/
%G ru
%F DE_2004_40_8_a17