ROMANENKO, Ye. Yu. Dynamics of neighborhoods of points under a continuous mapping of an interval. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 57, n. 11, p. 1534–1547, 2005. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3705. Acesso em: 27 apr. 2025.