KOŞAR, B.; NEBIYEV, C.; SÖKMEZ, N. $G$-Supplemented Modules. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 67, n. 6, p. 861–864, 2015. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2028. Acesso em: 5 dec. 2025.