KURDACHENKO, L. A.; SEMKO, M. M.; ATLIHAN, S. About the structure of finite groups, whose all non-Abelian subgroups are subnormal . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 4, p. 15–18, 2025. DOI: 10.15407/dopovidi2014.04.015. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/15772. Acesso em: 12 apr. 2025.