AlSharmani, Amenah Hadi, and Ahmed M. Rajab. “A Tau Method for Solving Second-Order Partial Integro-Differential Equations With Weakly Singular Kernels”. Journal of Kufa for Mathematics and Computer, vol. 12, no. 2, Jan. 2026, pp. 61-68, https://doi.org/10.31642/JoKMC/2018/120209.