1. K Diethelm, The Analysis of Fractional Differential Equations (Berlin: Springer) (2010).
2. K S Miller and B Ross, An Introduction to the Fractional Calculus and Fractional Differential Equations (New York: Wiley) (1993).
3. I Podlubny, Fractional Differential Equations (San Diego, CA: Academic Press) (1999).
4. K B Oldham and J Spanier, The Fractional Calculus (San Diego, CA: Academic Press) (1974).
5. M A Akbar, et al., Results in Physics 25 104228 (2021).