1. The Fractional Calculus;Oldham,1974
2. An Introduction to the Fractional Calculus and Fractional Differential Equations;Miller,1993
3. Fractional calculus: integral and differential equations of fractional order;Gorenflo,1997
4. Fractional calculus: some basic problems in continuum and statistical mechanics;Mainardi,1997
5. Fractional Differential Equations;Podlubny,1999