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