%0 Journal Article %A Zeddini, Noureddine %T Existence of positive solutions for some nonlinear elliptic systems on the half space %J Electronic journal of differential equations %D 2011 %V 2011 %U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a13/ %G en %F EJDE_2011__2011__a13