AL-THANI, H. M. J. The Jacobson semiradical over a certain semiring. Tamkang Journal of Mathematics, [S. l.], v. 37, n. 1, p. 67–76, 2006. DOI: 10.5556/j.tkjm.37.2006.180. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/180. Acesso em: 22 jul. 2024.