1. Referans1 : K.S. Miller, B.Ross, An Introduction to the Fractional Calculus and Differential Equations, John Wiley, New York, 1993.
2. Referans2 : S.G. Samko, A.A. Kilbas, O.I. Marichev , Fractional Integrals and Derivatives, Theory and Applications, Gordon and Breach, Yverdon, 1993.
3. Referans3 : I. Podlubny, Fractional Differential Equations, Academic Press, San Diego, 1999.
4. Referans4 :
A. A. Kilbas, H. M. Srivastava and J. J. Trujillo, Theory and applications of
fractional differential equations, in: North-Holland Mathematics Studies, vol.
204, Elsevier Science B.V, Amsterdam, 2006.
5. Referans5 : V. Lakshmikantham, S. Leela, J.V. Devi, Theory of Fractional Dynamic Systems, Cambridge Academic Publishers, Cambridge, 2009.