BASAR, Abul; ABBASI, M. Y.. A note on intra-regular ordered Γ-semigroups with involution. Eurasian Bulletin of Mathematics (ISSN: 2687-5632), [S.l.], p. 78-84, may 2018. ISSN 2687-5632. Available at: <http://www.ebmmath.com/index.php/EBM/article/view/12>. Date accessed: 29 sep. 2022.