@article{EJDE_2011__2011__a64, author = {Leadi, Liamidi and Marcos, Aboubacar}, title = {Maximum principle and existence results for nonlinear cooperative systems on a bounded domain}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {2011}, year = {2011}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a64/} }