DEBNATH, S.; RAKSHIT, D. On Rough Convergence of Fuzzy Numbers based on α-level sets. The Journal of the Indian Mathematical Society, [S. l.], v. 85, n. 1-2, p. 42–52, 2018. DOI: 10.18311/jims/2018/17869. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/17869. Acesso em: 20 apr. 2024.