1. Oldham KB, Spanier J (1974) The fractional calculus. Academic Press, New York
2. Podlubny I (1999) Fractional differential equations. Academic Press, New York
3. Kilbas AA, Srivastava HM, Trujillo JJ (2006) Theory and applications of fractional differential equations. Elsevier, Amsterdam
4. Caputo M (1967) Linear models of dissipation whose Q is almost frequency independent, part II. Geophys J Int 13(5):529–539
5. Kilbas AA, Srivastava HH, Trujillo JJ (2006) Theoryand applications of fractional differential equations. Elsevier, Amsterdam