Minimal prime ideals of $\sigma(*)$-rings and their extensions. Armenian Journal of Mathematics. Armenian Journal of Mathematics, [S. l.], v. 5, n. 2, p. 98–104, 2014. Disponível em: http://test.armjmath.sci.am/index.php/ajm/article/view/93. Acesso em: 23 nov. 2024.