NEUMANN, B. H. Isomorphism of Sylow Subgroups of Infinite Groups. Mathematica Scandinavica, Berkeley, CA, United States, v. 6, p. 299–307, 1958. DOI: 10.7146/math.scand.a-10556. Disponível em: https://journals.msp.org/mscand/article/view/2789. Acesso em: 25 jul. 2026.