1. Oldham, K., Spanier, J.: The Fractional Calculus. Academic Press, New York (1974)
2. Miller, K.S., Ross, B.: An Introduction to the Fractional Calculus and Fractional Differential Equations. Wiley-Blackwell, Hoboken (1993)
3. Podlubny, I.: Fractional Differential Equations: An Introduction to Fractional Derivatives. Elsevier, Amsterdam (1998)
4. Kilbas, A.A., Srivastava, H.M., Trujillo, J.: Theory and Applications of Fractional Differential Equations, vol. 204. Elsevier, North-Holland Mathematics Studies, (2006)
5. Hajipour, M., Jajarmi, A., Baleanu, D.: An efficient nonstandard finite difference scheme for a class of fractional chaotic systems. J. Comput. Nonlinear Dyn. 13(2), (2017)