@article{EJDE_2010__2010__a134,
     author = {Gontara,  Sabrine and El Abidine,  Zagharide Zine},
     title = {Existence of positive bounded solutions for some nonlinear polyharmonic elliptic systems},
     journal = {Electronic journal of differential equations},
     year = {2010},
     volume = {2010},
     zbl = {1198.35079},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a134/}
}