Prasolov А. V. On an estimate of the domain of attraction for systems with aftereffect. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 5, p. 671–678, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4905. Acesso em: 5 dec. 2025.