WIJAYANTI, I. E.; ARDIYANSYAH, M. ; PRASETYO, P. W. On a class of $\lambda$ -modules. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 73, n. 3, p. 329–334, 2021. DOI: 10.37863/umzh.v73i3.513. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/513. Acesso em: 7 apr. 2025.