LANDSTAD, M. B. On the Bohr Topology in Amenable Topological Groups. MATHEMATICA SCANDINAVICA, [S. l.], v. 28, p. 207–214, 1971. DOI: 10.7146/math.scand.a-11017. Disponível em: https://www.mscand.dk/article/view/11017. Acesso em: 2 may. 2024.