@article{05825758, title = {Multiple positive solutions of a singular Emden-Fowler type problem for second-order impulsive differential systems.}, journal = {Boundary Value Problems [electronic only]}, volume = {2011}, year = {2011}, doi = {10.1155/2011/212980}, zbl = {1213.34047}, language = {en}, url = {http://dml.mathdoc.fr/item/05825758} }
Lee, Eun Kyoung; Lee, Yong-Hoon. Multiple positive solutions of a singular Emden-Fowler type problem for second-order impulsive differential systems.. Boundary Value Problems [electronic only], Tome 2011 (2011) . doi : 10.1155/2011/212980. http://gdmltest.u-ga.fr/item/05825758/