[１] Krasnoselskii M A. Positive Solutions of Operator Equations[M]. Groningen:Noordhoff,1964.
[2]
Miller K S, Ross B. An Introduction to the Fractional Calculus and Fractional Differential Equation[M]. New York:John Wiley & Sons,1993.
[3]
Kilbas A A, Srivastava H H, Trujillo J J. Theory and Applications of Fractional Differential Equations[M]. Amsterdam:North-Holland,2006:56-90.
[4]
Delbosco D, Rodino L. Existence and uniqueness for a nonlinear fractional differential equation[J]. J Math Anal Appl,1996,204(2):609-625.
[5]
Zhang S. The existence of a positive solution for a nonlinear fractional differential equation[J]. J Math Anal Appl,2000,252(2):804-812.
[6]
Bai C Z. The existence of a positive solution for a ingular coupled system of nonlinear fractional differential equations[J]. Appl Math Comput,2004,150(3):611-621.
[7]
Kilbas A A, Trujillo J J. Differential equations of fractional order: methods, results, and problems, I[J]. Appl Anal,2001,78(1/2):153-192.
[8]
Samko S G, Kilbas A A, Marichev O I. Fractional Integrals and Derivatives: Theory and Applications[M]. Switzerland:Gordon and Breach,1993.
[9]
Zhao Y G, Sun S R, Han Z L, et al. The existence of multiple positive solutions for boundary value problems of nonlinear fractional diffusion equations[J]. Commun Nonlinear Sci Numer Simulat,2011,16(4):2086-2097.
[10]
[１ Xu X J, Jiang D Q, Yuan C J. Multiple positive solutions for the boundary value problem of a nonlinear fractional differential equation[J]. Nonlinear Anal,2009,71(10):4676-4688.
