DIXON, M. R.; KURDACHENKO, L. A.; SEMKO, N. N. On the structure of groups whose non-abelian subgroups are serial. Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 7, p. 22–26, 2024. DOI: 10.15407/dopovidi2016.07.022. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/10801. Acesso em: 23 dec. 2024.