OMIDI, S.; DAVVAZ, B.; HILA, K. Characterizations of regular and intra-regular ordered $\Gamma$-semihypergroups in terms of bi-$\Gamma$-hyperideals. Carpathian Mathematical Publications, [S. l.], v. 11, n. 1, p. 136–151, 2019. DOI: 10.15330/cmp.11.1.136-151. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/1515. Acesso em: 3 jul. 2024.