@article{05692271, title = {Existence of weak solutions for a nonlinear elliptic system.}, journal = {Boundary Value Problems [electronic only]}, volume = {2009}, year = {2009}, doi = {10.1155/2009/708389}, zbl = {1189.35251}, language = {en}, url = {http://dml.mathdoc.fr/item/05692271} }
Fang, Ming; Gilbert, Robert P. Existence of weak solutions for a nonlinear elliptic system.. Boundary Value Problems [electronic only], Tome 2009 (2009) . doi : 10.1155/2009/708389. http://gdmltest.u-ga.fr/item/05692271/