SWAMINATHAN, S. A Note on Countably Paracompact Normal Spaces. The Journal of the Indian Mathematical Society, [S. l.], v. 29, n. 1-2, p. 67–69, 1965. DOI: 10.18311/jims/1965/16824. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/16824. Acesso em: 5 may. 2024.