K. Diethelm. The Analysis of Fractional Differential Equations: An Application-Oriented Exposition Using Differential Operators of Caputo Type. Springer, 2010.
A. A. Kilbas, H. M. Srivastava, e J. J. Trujillo. Theory and Applications of Fractional Differential Equations. Elsevier, 2006.
K. S. Miller e B. Ross. An Introduction to the Fractional Calculus and Fractional Differential Equations. Wiley-Interscience, 1993.
S. G. Samko, A. A. Kilbas, e O. I. Marichev. Fractional Integrals and Derivatives: Theory and Applications. Gordon and Breach Science Publishers, 1993.