GUBARENI, N. M.; DOKUCHAEV, M. A.; KIRICHENKO, V. V. Semiperfect ipri-rings and right Bézout rings. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 62, n. 5, p. 612–624, 2010. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2892. Acesso em: 6 dec. 2025.