%0 Journal Article %A Boularas, D. %T A note on the saddle conic of quadratic planar differential systems %J Electronic Journal of Differential Equations %D 2000 %V 2000 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a208/ %G en %F EJDE_2000__2000__a208