TY - JOUR AU - Elabbasy, Elmetwally M. AU - Hassan, Taher S. AU - Saker, Samir.H. TI - Oscillation of second-order nonlinear differential equations with a damping term JO - Electronic journal of differential equations PY - 2005 VL - 2005 UR - http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a70/ LA - en ID - EJDE_2005__2005__a70 ER -