FLUCH, W. Gruppen ohne endlich-dimensionale Darstellungen. Mathematica Scandinavica, Berkeley, CA, United States, v. 16, p. 164–168, 1965. DOI: 10.7146/math.scand.a-10756. Disponível em: https://journals.msp.org/mscand/article/view/2568. Acesso em: 25 jul. 2026.