%0 Journal Article
%A Serag,  Hassan M.
%A El-Zahrani,  Eada A.
%T Maximum principle and existence of positive solutions for nonlinear systems on \(\mathbb R^N\)
%J Electronic journal of differential equations
%D 2005
%V 2005
%U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a4/
%G en
%F EJDE_2005__2005__a4