@article{EJDE_2014__2014__a193,
     author = {Liu,  Jian and Zhao,  Zengqin},
     title = {Existence of positive solutions to a singular boundary-value problem using variational methods},
     journal = {Electronic journal of differential equations},
     year = {2014},
     volume = {2014},
     zbl = {1304.34047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a193/}
}