%0 Journal Article %A Huang, Mugen %A Feng, Weizhen %T Oscillation criteria for impulsive dynamic equations on time scales %J Electronic journal of differential equations %D 2007 %V 2007 %U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a153/ %G en %F EJDE_2007__2007__a153