BLACKADAR, B.; DADARLAT, M.; RORDAM, M. The real rank of inductive limit $C^*$-algebras. MATHEMATICA SCANDINAVICA, [S. l.], v. 69, p. 211–216, 1991. DOI: 10.7146/math.scand.a-12379. Disponível em: https://www.mscand.dk/article/view/12379. Acesso em: 5 may. 2024.