1. On the appearance of the fractional derivative in the behavior of real materials;Torvik;ASME J. Appl. Mech.,1984
2. Fractional Differential Equations;Podlubny,1999
3. Advances in Fractional Calculus: Theoretical Developments and Applications in Physics and Engineering;Sabatier,2007
4. Fractional calculus integral and differential equations of fractional order;Gorenflo,1997