%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 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a67/ %G en %F EJDE_2014__2014__a67