1. Samko, S.G., Kilbas, A.A., and Marichev, O.I., Integraly i proizvodnye drobnogo poryadka i nekotorye ikh prilozheniya (Integrals and Derivatives of Fractional order and Their Applications), Minsk: Nauka i Tekhnika, 1987.
2. Oldham, K.B. and Spanier, J., The Fractional Calculus, San Diego: Academic, 1974.
3. Machado, T.J., Kiryakova, V., and Mainardi, F., Recent History of Fractional Calculus, Commun. Nonlin. Sci. Numer. Simulat., 2011, vol. 16, pp. 1140–1153.
4. Miller, K.S. and Ross, B., An Introduction to the Fractional Calculus and Fractional Differential Equations, New York: Wiley, 1993.
5. Monje, C.A., Chen, Y.Q., Vinagre, B.M., Xue, D., and Feliu, V., Fractional-order Systems and Controls: Fundamentals and Applications, London: Springer, 2010.