%0 Journal Article %A Shen, Li %A Liu, Xiping %A Lu, Zhenhua %T Multiplicity of positive solutions for four-point boundary value problems of impulsive differential equations with \(p\)-Laplacian %J Electronic journal of differential equations %D 2010 %V 2010 %U http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a32/ %G en %F EJDE_2010__2010__a32