%0 Journal Article %A He, Zhimin %A Ge, Weigao %T Oscillation in second order linear delay differential equations with nonlinear impulses %J Mathematica slovaca %D 2002 %P 331-341 %V 52 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_2002__52_3_a7/ %G en %F MASLO_2002__52_3_a7