@article{EJDE_2006__2006__a139,
     author = {Feng, Meiqiang and Ge, Weigao},
     title = {Existence of positive solutions for singular eigenvalue problems},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2006},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a139/}
}