Amr M. S. Mahdy, and Ali A. A. El-dahdouh. “Second Kind Shifted Chebyshev Polynomials and Power Series Method for Solving Multi-Order Non-Linear Fractional Differential Equations”. Malaya Journal of Matematik, vol. 5, no. 01, Jan. 2017, pp. 19-28, doi:10.26637/mjm501/003.