ZAITOV, A.; JUMAEV, D. Hyperspace of the Π-Complete Spaces and Maps. Eurasian Mathematical Journal, [S. l.], v. 12, n. 2, p. 104–110, 2021. DOI: 10.32523/2077-9879-2021-12-2-104-110. Disponível em: https://emj.enu.kz/index.php/main/article/view/220. Acesso em: 30 sep. 2026.