ASKAROV, M. On the rate of convergence of methods of projection-iterative type for Fredholm equations with periodic analytic kernels. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 47, n. 9, p. 1155–1161, 1995. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5514. Acesso em: 14 apr. 2025.