LI, Yize; FENG, Xinyang; GAO, Xing; WU, Jingxiang. Semihyperlattice regular equivalence relations on ordered semihypergroups. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 53, p. 117–128, 2025. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/5761. Acesso em: 24 apr. 2026.