SARWAR, M.; ALI, M. On intuitionistic fuzzy h-ideals in h-hemiregular hemirings and \( h^* \)-duo-hemirings. Eurasian Mathematical Journal, [S. l.], v. 3, n. 4, p. 111–136, 2012. Disponível em: https://emj.enu.kz/index.php/main/article/view/810. Acesso em: 31 oct. 2025.