BAGCHI, Kallol Bhandhu. SOME COVERING PROPERTIES USING MAXIMAL OPEN COVERS. Matematichki Bilten, [S. l.], v. 45, n. 2, 2021. DOI: 10.37560/matbil21452121b. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1899. Acesso em: 13 jun. 2026.