@article{EJDE_2006__2006__a7,
     author = {Yan,  Baoqiang},
     title = {Multiple positive solutions for singular boundary-value problems with derivative dependence on finite and infinite intervals},
     journal = {Electronic journal of differential equations},
     year = {2006},
     volume = {2006},
     zbl = {1117.34031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a7/}
}