@article{EJDE_2008__2008__a62,
     author = {Wei,  Gongming and Wang,  Yanhua},
     title = {Existence of least energy solutions to coupled elliptic systems with critical nonlinearities},
     journal = {Electronic journal of differential equations},
     year = {2008},
     volume = {2008},
     zbl = {1170.35323},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a62/}
}