PASCHKE, W. L. Integrable group actions on von Neumann algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 40, p. 234–248, 1977. DOI: 10.7146/math.scand.a-11692. Disponível em: https://journals.msp.org/mscand/article/view/1951. Acesso em: 25 jul. 2026.