SUDO, Tokahiro. Stable rank of the $C^*$-algebras of amenable Lie groups of type I. Mathematica Scandinavica, Berkeley, CA, United States, v. 84, n. 2, p. 231–242, 1999. DOI: 10.7146/math.scand.a-13877. Disponível em: https://journals.msp.org/mscand/article/view/951. Acesso em: 25 jul. 2026.