Allouch, Chafik, Driss Sbibih, and Mohamed Tahrichi. “Spectral Approximation Methods for Fredholm Integral Equations With Non-Smooth Kernels”. Mathematical Modelling and Analysis 27, no. 4 (November 10, 2022): 652–667. Accessed April 26, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/16029.