@article{SM_2008_199_4_a4,
     author = {H. Zou},
     title = {A priori estimates, existence and non-existence for quasilinear cooperative elliptic systems},
     journal = {Sbornik. Mathematics},
     pages = {557--578},
     publisher = {mathdoc},
     volume = {199},
     number = {4},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2008_199_4_a4/}
}