LI, Changqing; ZHANG, Yanlan; ZHANG, Kexiu. A NOTE ON COMPLETENESS OF THE HAUSDORFF FUZZY METRIC SPACES. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 37, p. 49–58, 2017. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6746. Acesso em: 16 sep. 2026.