Hafez, R. M., Y. H. Youssri, and A. G. Atta. “Jacobi Rational Operational Approach for Time-Fractional Sub-Diffusion Equation on a Semi-Infinite Domain”. Contemporary Mathematics 4, no. 4 (October 30, 2023): 853–876. Accessed May 12, 2024. https://ojs.wiserpub.com/index.php/CM/article/view/3594.