KAEWNEAM, M.; KEMPRASIT, Y. ON HOMOMORPHISMS OF SOME MULTIPLICATIVE HYPERRINGS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 27, p. 313–320, 2010. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/5803. Acesso em: 24 apr. 2026.