%0 Journal Article %T Positive Solution of Singular Boundary Value Problem for a Nonlinear Fractional Differential Equation %A Changyou Wang %A Ruifang Wang %A Shu Wang %A Chunde Yang %J Boundary Value Problems %D 2011 %I Springer %R 10.1155/2011/297026 %U http://dx.doi.org/10.1155/2011/297026