MAKSIMENKO, S. I.; MARUNKEVYCH, O. V. Topological stability of the averagings of functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 68, n. 5, p. 625–633, 2016. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1866. Acesso em: 5 dec. 2025.