Polishchuk О. B., “A modified projection-iterative method for solution of a singular integral equation with parameters and small nonlinearity”, Ukr. Mat. Zhurn., vol. 51, no. 3, pp. 418–422, Mar. 1999, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4626