FLUCH, W. Gruppen ohne endlich-dimensionale Darstellungen. MATHEMATICA SCANDINAVICA, [S. l.], v. 16, p. 164–168, 1965. DOI: 10.7146/math.scand.a-10756. Disponível em: https://www.mscand.dk/article/view/10756. Acesso em: 6 may. 2024.