BERHANU ASSAYE ALABA; MIHRET ALAMNEH TAYE; TEFERI GETACHEW ALEMAYEHU. $\delta$-fuzzy Ideals in MS-algebras. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 2 - B, p. 273–280, 2018. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/725. Acesso em: 22 jul. 2024.