HAAGERUP, U. On the dual weights for crossed products of von Neumann algebras I. MATHEMATICA SCANDINAVICA, [S. l.], v. 43, p. 99–118, 1978. DOI: 10.7146/math.scand.a-11768. Disponível em: https://www.mscand.dk/article/view/11768. Acesso em: 28 apr. 2024.