BATES, T.; PASK, D. $C^*$-algebras of labelled graphs II - simplicity results. MATHEMATICA SCANDINAVICA, [S. l.], v. 104, n. 2, p. 249–274, 2009. DOI: 10.7146/math.scand.a-15097. Disponível em: https://www.mscand.dk/article/view/15097. Acesso em: 23 nov. 2024.