%0 Journal Article %A Berkane, Ahmed %T Sufficient conditions for the oscillation of solutions to nonlinear second-order differential equations %J Electronic Journal of Differential Equations %D 2008 %V 2008 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a49/ %G en %F EJDE_2008__2008__a49