1. Hilfer, R.: Applications of Fractional Calculus in Physics. World Scientific, Singapore (2000)
2. North Holland Mathematics Studies;A.A. Kilbas,2006
3. Podlubny, I.: Fractional Differential Equations. Academic Press, New York (1993)
4. Khan, R.A., Shah, K.: Existence and uniqueness of solutions to fractional order multi-point boundary value problems. Commun. Appl. Anal. 19, 515–526 (2015)
5. Miller, B.M.: Method of discontinuous time change in problems of control for impulse and discrete-continuous systems. Autom. Remote Control 54(12), 1727–1750 (1993)