TY - JOUR AU - Boularas, D. TI - A note on the saddle conic of quadratic planar differential systems JO - Electronic journal of differential equations PY - 2000 VL - 2000 UR - http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a62/ LA - en ID - EJDE_2000__2000__a62 ER -