FENG, Yuming; ZENG, Qingsong; DUAN, Huiling. ON (λ, µ)-FUZZY SUBHYPERLATTICES. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 30, p. 79–86, 2013. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6114. Acesso em: 26 jul. 2026.