PolishchukО. B. “A Modified Projection-Iterative Method for Solution of a Singular Integral Equation With Parameters and Small Nonlinearity”. Ukrains’kyi Matematychnyi Zhurnal 51, no. 3 (March 25, 1999): 418–422. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4626.