Khirallah, Mustafa. “Vieta-Lucas Spectral Collocation Method for Solving Fractional Order Volterra Integro-Differential Equations”. Results in Nonlinear Analysis 7, no. 1 (December 2, 2023): 14–23. Accessed May 15, 2024. https://nonlinear-analysis.com/index.php/pub/article/view/302.