NEUMANN, B. H. Isomorphism of Sylow Subgroups of Infinite Groups. MATHEMATICA SCANDINAVICA, [S. l.], v. 6, p. 299–307, 1958. DOI: 10.7146/math.scand.a-10556. Disponível em: https://tidsskrift.dk/math/article/view/10556. Acesso em: 14 aug. 2026.