Meszaros, J., and M. I. Ronto. “Some Remarks Concerning the Convergence of the Numerical-Analytic Method of Successive Approximations”. Ukrains’kyi Matematychnyi Zhurnal 48, no. 1 (January 25, 1996): 90–95. Accessed April 16, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/5366.