@article{EJDE_2009__2009__a50,
     author = {Zhang, Xingqiu},
     title = {Existence of positive solutions for boundary value problems of second-order nonlinear differential equations on the half line},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2009},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a50/}
}