%0 Journal Article
%A L. A. Cherkas
%T The singular cycles of the equation $\frac{dy}{dx}=\frac{P(x,y)}{xy}$, where $P(x,y)$, is a second degree polynomial
%J Differencialʹnye uravneniâ
%D 1968
%P 2281-2285
%V 4
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1968_4_12_a13/
%G ru
%F DE_1968_4_12_a13