Generalized Jacobi Spectral Galerkin Method for Fractional-Order Volterra Integro-Differential Equations with Weakly Singular Kernels. JCM [Internet]. 2024 Jan. 16 [cited 2025 Dec. 5];42(2):355-71. Available from: https://global-sci.com/index.php/JCM/article/view/12565