TROFIMUK, A. Finite groups with given systems of propermutable subgroups. Eurasian Mathematical Journal, [S. l.], v. 15, n. 1, p. 91–97, 2024. DOI: 10.32523/2077-9879-2024-15-1-91-97. Disponível em: https://emj.enu.kz/index.php/main/article/view/15. Acesso em: 19 sep. 2026.