@article{EJDE_2014__2014__a101,
     author = {Hakimi,  Said and Zertiti,  Abderrahim},
     title = {Radial positive solutions for a nonpositone problem in an annulus},
     journal = {Electronic journal of differential equations},
     year = {2014},
     volume = {2014},
     zbl = {1301.35020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a101/}
}