FACK, T. A Dixmier’s theorem for finite type representations of amenable semigroups. MATHEMATICA SCANDINAVICA, [S. l.], v. 93, n. 1, p. 136–160, 2003. DOI: 10.7146/math.scand.a-14417. Disponível em: https://www.mscand.dk/article/view/14417. Acesso em: 29 apr. 2024.