OMIDI, S.; DAVVAZ, B. Bi-\( \Gamma \)-Hyperideals and Green’s Relations in Ordered \( \Gamma \)-Semihypergroups. Eurasian Mathematical Journal, [S. l.], v. 8, n. 4, p. 63–73, 2017. Disponível em: https://emj.enu.kz/index.php/main/article/view/681. Acesso em: 8 oct. 2025.