HAJIGHASEMI, Sepide; HEJAZIAN, Shirin. Surjective maps preserving the reduced minimum modulus of products. CUBO, A Mathematical Journal, [S. l.], p. 139–150, 2023. DOI: 10.56754/0719-0646.2501.139. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/3340. Acesso em: 12 oct. 2025.