SAEIDI RASHKOLIA, A.; HASANKHANI, A. Fuzzy subnexuses. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 28, p. 229–242, 2011. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/5992. Acesso em: 18 jul. 2026.