Vorob’ev NT, Nanying Y, Shuya Z. On the problem of Frattini duality in the theory
of Fitting classes. Ukr. Mat. Zhurn. [Internet]. 2019 Jul. 25 [cited 2025 Apr. 13];71(7):922-9. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1486