1. The Fractional Calculus;Oldham,1974
2. An Introduction to the Fractional Calculus and Fractional Differential Equations;Miller,1993
3. Fractional Integrals and Derivatives: Theory and Applications;Samko,1993
4. Fractional Calculus: integral and differential equations of fractional order;Gorenflo,1997
5. Fractional Differential Equations;Podlubny,1999