@article{EJDE_2012__2012__a6,
     author = {Ben Dekhil,  Adel},
     title = {Positive solutions for nonlinear elliptic systems},
     journal = {Electronic journal of differential equations},
     year = {2012},
     volume = {2012},
     zbl = {1295.35026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a6/}
}