... Difference EquationsVolume 2011, Article ID 546038, 14 pagesdoi:10.1155/2011/546038 Research Article The Existence of Positive Solution toa Nonlinear Fractional Differential Equation with Integral Boundary ... Kaufmann and E. Mboumi, Positive solutions of a boundary value problem for a nonlinear fractional differential equation, ” Electronic Journal of Qualitative Theory of Differential Equations,no.3,pp. ... fractionaldifferential equation with integral boundary conditions,” Boundary Value Problems, vol. 2011, Article ID 720702, 20 pages, 2011.25 M. Feng, D. Ji, and W. Ge, Positive solutions for a class of boundary- value...