Dehestani, Haniye, Yadollah Ordokhani, and Mohsen Razzaghi. “Numerical Solution of Variable-Order Time Fractional Weakly Singular Partial Integro-Differential Equations With Error Estimation”. Mathematical Modelling and Analysis 25, no. 4 (October 13, 2020): 680-701. Accessed March 29, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/11692.