ABU-DAWWAS, Rashid. GRADED SEMIPRIME AND GRADED WEAKLY SEMIPRIME IDEALS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 36, p. 535–542, 2016. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6600. Acesso em: 5 sep. 2026.