YADAV, P. D. Fuzzy Closed Subsets in Fuzzy Topological Spaces. International Journal For Research In Mathematics And Statistics, [S. l.], v. 3, n. 12, p. 12–14, 2017. DOI: 10.53555/ms.v3i12.228. Disponível em: https://gnpublication.org/index.php/ms/article/view/228. Acesso em: 8 may. 2024.