MARTSINKEVICH, Anna V. Quasinormal Fitting classes of finite groups. Journal of the Belarusian State University. Mathematics and Informatics, [S. l.], n. 2, p. 18–26, 2019. DOI: 10.33581/2520-6508-2019-2-18-26. Disponível em: https://journals.bsu.by/index.php/mathematics/article/view/947. Acesso em: 2 oct. 2026.