ELLIOT, George A. On approximately finite-dimensional von Neumann algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 39, p. 91–101, 1976. DOI: 10.7146/math.scand.a-11647. Disponível em: https://journals.msp.org/mscand/article/view/2001. Acesso em: 25 jul. 2026.