ASOKKUMAR, A.; VELRAJAN, M. A radical property of hyperrings. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 29, p. 301–308, 2012. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6042. Acesso em: 18 jul. 2026.