TY - JOUR AU - Zhang, Chaolong AU - Feng, Weizhen TI - Oscillation for higher order nonlinear ordinary differential equations with impulses JO - Electronic Journal of Differential Equations PY - 2006 VL - 2006 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a166/ LA - en ID - EJDE_2006__2006__a166 ER -