SINCLAIR, Allan M.; SMITH, Roger R. Cartan subalgebras of finite von Neumann algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 85, n. 1, p. 105–120, 1999. DOI: 10.7146/math.scand.a-13888. Disponível em: https://journals.msp.org/mscand/article/view/940. Acesso em: 24 jul. 2026.