@article{EJDE_2014__2014__a67,
     author = {Saifia,  Ouarda and V\'elin,  Jean},
     title = {Existence and nonexistence of solutions to nonlinear gradient elliptic systems involving {\((p(x),q(x))\)-Laplacian} operators},
     journal = {Electronic journal of differential equations},
     year = {2014},
     volume = {2014},
     zbl = {1314.35042},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a67/}
}