AllouchC, ArraiM, BoudaH, TahrichiM. Legendre superconvergent degenerate kernel and Nyström methods for nonlinear integral equations. Ukr. Mat. Zhurn. [Internet]. 2023May24 [cited 2024Jul.27];75(5):579 -55. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/7039