CHERNIKOV, N. S. Properties of a Finite Group Representable as the Product of Two Nilpotent Groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 53, n. 4, p. 531–541, 2001. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4274. Acesso em: 6 dec. 2025.