B. SRIDEVI; D. V. RAMY REDDY. Commutative Results for Rings. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 1 - E, p. 983–987, 2018. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/1171. Acesso em: 22 apr. 2026.