CHANBAEVA, A.I. On closed mappings uniform spaces. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 78, n. 2, p. 152–156, 2015. Disponível em: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/37. Acesso em: 9 dec. 2025.