%0 Journal Article %A Voros, Imre %T Stability properties of non-negative solutions of semilinear symmetric cooperative systems %J Electronic Journal of Differential Equations %D 2004 %V 2004 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a21/ %G en %F EJDE_2004__2004__a21