@article{05538039, title = {Positive solutions for multiparameter semipositone discrete boundary value problems via variational method.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2008}, year = {2008}, doi = {10.1155/2008/840458}, zbl = {1160.39312}, language = {en}, url = {http://dml.mathdoc.fr/item/05538039} }
Yu, Jianshe; Zhu, Benshi; Guo, Zhiming. Positive solutions for multiparameter semipositone discrete boundary value problems via variational method.. Advances in Difference Equations [electronic only], Tome 2008 (2008) . doi : 10.1155/2008/840458. http://gdmltest.u-ga.fr/item/05538039/