I. K. Lipenkov, “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”, Differ. Uravn., 1969, Volume 5, Number 10,Pages 1830

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

I. K. Lipenkov

Institute of Mathematics, Academy of Sciences Byelorussian SSR

UDC: 517.925.12

Received: 11.09.1968