VOROB’EV, N. T.; NANYING, Yang; SHUYA, Zhao. On the problem of Frattini duality in the theory of Fitting classes. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 7, p. 922–929, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1486. Acesso em: 14 apr. 2025.