@article{EJDE_2005__2005__a265,
     author = {Zhang, Guoqing and Liu, Xiping and Liu, Sanyang},
     title = {Remarks on a class of quasilinear elliptic systems involving the $(p,q)${-Laplacian}},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2005},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a265/}
}