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 5, no. 01 (January 1, 2017): 19–28. Accessed July 16, 2024. https://www.malayajournal.org/index.php/mjm/article/view/579.