Sharkovs’kyi О. М. Descriptive theory of determined chaos. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 74, n. 12, p. 1709–1718, 2023. DOI: 10.37863/umzh.v74i12.6515. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/6515. Acesso em: 30 mar. 2025.