AL HADI AHMED, H. A. Some properties of f max. o. s. and f. min. o. s. in fuzzy topological spaces defined on a fuzzy set. Asian Journal of Current Engineering and Maths, [S. l.], v. 6, n. 1, p. 17–20, 2017. DOI: 10.15520/ajcem.2017.vol6.iss1.73.pp. Disponível em: https://innovativejournal.in/index.php/ajcem/article/view/1228. Acesso em: 3 jul. 2024.