LIN, H. Singly Supported $C^*$-Algebras. MATHEMATICA SCANDINAVICA, [S. l.], v. 71, p. 133–144, 1992. DOI: 10.7146/math.scand.a-12416. Disponível em: https://www.mscand.dk/article/view/12416. Acesso em: 28 apr. 2024.