1. I. Podlubny, Fractional Differential Equations: An Introduction to Fractional Derivatives, Fractional Differential Equations, to Methods of Their Solution and Some of Their Applications (Elsevier, Amsterdam, 1998).
2. A. Boubellouta, F. Zouari, A. Boulkroune, Intern. J. of Gen. Syst. 48(3), 211 (2019)
3. T.T. Hartley, C.F. Lorenzo, H.K. Qammer, I.E.E.E. Tran, Circ. Syst. I 42(8), 485 (1995)
4. N.A. Khan et al., J Low Freq Noise Vib Active Control 38(3–4), 1279 (2019)
5. G. Chen, T. Ueta, Intern. J. Bifurc Chaos 9(7), 1465 (1999)