AHN, S. S.; KO, J. M.; SAEID, A. B. On Ideals of Bi-Algebras. Journal of the Indonesian Mathematical Society, [S. l.], v. 25, n. 1, p. 24–34, 2019. DOI: 10.22342/jims.25.1.735.24-34. Disponível em: https://jims-a.org/index.php/jimsa/article/view/735. Acesso em: 29 apr. 2024.