[1]
I. I. Korol' and N. A. Perestyuk, “Once again on the Samoilenko numerical-analytic method of successive periodic approximations”, Ukr. Mat. Zhurn., vol. 58, no. 4, pp. 472–488, Apr. 2006, Accessed: Feb. 16, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3468