@article{EJDE_2011__2011__a89,
     author = {Zhang,  Zhijun and Shi,  Yongxiu and Xue,  Yanxing},
     title = {Existence of entire solutions for semilinear elliptic systems under the {Keller-Osserman} condition},
     journal = {Electronic journal of differential equations},
     year = {2011},
     volume = {2011},
     zbl = {1213.35203},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a89/}
}