TY - JOUR AU - Leadi, Liamidi AU - Marcos, Aboubacar TI - Maximum principle and existence results for nonlinear cooperative systems on a bounded domain JO - Electronic journal of differential equations PY - 2011 VL - 2011 UR - http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a64/ LA - en ID - EJDE_2011__2011__a64 ER -