BLACKADAR, B.; DADARLAT, M.; RORDAM, M. The real rank of inductive limit $C^*$-algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 69, p. 211–216, 1991. DOI: 10.7146/math.scand.a-12379. Disponível em: https://journals.msp.org/mscand/article/view/1297. Acesso em: 24 jul. 2026.