HEIDARI, S.; NIKANDISH, R.; NIKMEHR, M. J. Properties of a certain product of submodules. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 63, n. 4, p. 502–512, 2011. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2736. Acesso em: 11 apr. 2025.