%0 Journal Article
%A V. M. Lebedeva
%T The number of periodic solutions of a first order equation with rational right hand side
%J Differencialʹnye uravneniâ
%D 1969
%P 560-562
%V 5
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_3_a16/
%G ru
%F DE_1969_5_3_a16