%0 Journal Article %A Saifia, Ouarda %A Vélin, Jean %T Existence and nonexistence of solutions to nonlinear gradient elliptic systems involving \((p(x),q(x))\)-Laplacian operators %J Electronic journal of differential equations %D 2014 %V 2014 %U http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a67/ %G en %F EJDE_2014__2014__a67