HAAGERUP, U. On the dual weights for crossed products of von Neumann algebras II. MATHEMATICA SCANDINAVICA, [S. l.], v. 43, p. 119–140, 1978. DOI: 10.7146/math.scand.a-11769. Disponível em: https://www.mscand.dk/article/view/11769. Acesso em: 3 may. 2024.