@article{05791561, title = {Existence and uniqueness results for perturbed Neumann boundary value problems.}, journal = {Boundary Value Problems [electronic only]}, volume = {2010}, year = {2010}, doi = {10.1155/2010/494210}, zbl = {1215.34033}, language = {en}, url = {http://dml.mathdoc.fr/item/05791561} }
Zhang, Jieming; Zhai, Chengbo. Existence and uniqueness results for perturbed Neumann boundary value problems.. Boundary Value Problems [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/494210. http://gdmltest.u-ga.fr/item/05791561/