%0 Journal Article
%A I. K. Lipenkov
%T The type $D$ curves of the differential equation $(x+\xi)(x+\eta)yy'=P_3(x,y)$ which arise from a second order closed curve
%J Differencialʹnye uravneniâ
%D 1969
%P 1830-1835
%V 5
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_10_a8/
%G ru
%F DE_1969_5_10_a8