HOQUE, Md Fazlul; PAUL, A.C. CENTRALIZERS ON PRIME AND SEMIPRIME GAMMA RINGS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 35, p. 575–586, 2015. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6396. Acesso em: 16 aug. 2026.