@article{EJDE_2010__2010__a132, author = {Shen, Li and Liu, Xiping and Lu, Zhenhua}, title = {Multiplicity of positive solutions for four-point boundary value problems of impulsive differential equations with $p${-Laplacian}}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {2010}, year = {2010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a132/} }