The region of convergence of an iteration procedure for an autonomous boundary-value problem. Neliniini Kolyvannya, [S. l.], v. 9, n. 3, p. 416–432, 2006. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/407. Acesso em: 21 jan. 2026.