ЧУНИХИН, С. А. On $p$-nilpotent and $p$-decomposable subgroups of finite groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 23, n. 5, p. 666–671, 1971. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8338. Acesso em: 6 dec. 2025.