1. Beardon A (2000) Fractional Calculus I, available at https://nrich.maths.org/1365; Fractional Calculus II, available at https://nrich.maths.org/1369; Fractional Calculus III, available at https://nrich.maths.org/1371
2. Loverro A (2004) Fractional Calculus: History, Definitions and Applications for the Engineer. Department of Aerospace and Mechanical Engineering, University of Notre Dame
3. Miller KS, Ross B (1993) An introduction to the fractional calculus and fractional differential equations. Wiley, New York
4. Oldham KB, Spanier J (1974) The fractional calculus. Theory and applications of differentiation and integration to arbitrary order. Academic Press, New York
5. Ortigueira MD (2011) Fractional calculus for scientists and engineers. Lecture notes in electrical engineering. Springer, Netherlands