PEREVERZEV, S. V.; SOLODKII, S. G. On one approach to the discretization of the lavrent’ev method. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 48, n. 2, p. 212–219, 1996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5349. Acesso em: 5 dec. 2025.