ABBASI, M.Y.; BASAR, Abul; ALI, Akbar. ON BI-Γ-IDEALS IN Γ-SEMIGROUPS WITH INVOLUTION. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 41, p. 399–404, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7114. Acesso em: 17 oct. 2026.