MATSUMOTO, K. Construction and pure infiniteness of $C^*$-algebras associated with lambda-graph systems. MATHEMATICA SCANDINAVICA, [S. l.], v. 97, n. 1, p. 73–88, 2005. DOI: 10.7146/math.scand.a-14964. Disponível em: https://www.mscand.dk/article/view/14964. Acesso em: 27 apr. 2024.