The union of two graphs associated with the set of all non-zero annihilating ideals of a commutative ring. Gulf Journal of Mathematics, [S. l.], v. 11, n. 1, p. 83–104, 2021. DOI: 10.56947/gjom.v11i1.671. Disponível em: https://gjom.org/index.php/gjom/article/view/671. Acesso em: 10 nov. 2026.