1. I. Podlubny, Fractional Differential Equations (Academic, Boston, 1999).
2. V. V. Uchaykin, Method of Fractional Derivatives (Artishok, Ul’yanovsk, 2008) [in Russian].
3. V. E. Tarasov, Fractional Dynamics: Applications of Fractional Calculus to Dynamics of Particles, Fields and Media (Springer, New York, 2011).
4. S. G. Samko, A. A. Kilbas, and O. I. Marichev, Fractional Integrals and Derivatives. Theory and Applications (Gordon and Breach Science, Philadelphia, 1993).
5. J. Pruss, Evolutionary Integral Equations and Applications (Birkhauser, Basel, 1993).