MEIER CARLSEN, Toke; MATSUMOTO, Kengo. Some remarks on the $C^*$-algebras associated with subshifts. Mathematica Scandinavica, Berkeley, CA, United States, v. 95, n. 1, p. 145–160, 2004. DOI: 10.7146/math.scand.a-14453. Disponível em: https://journals.msp.org/mscand/article/view/766. Acesso em: 24 jul. 2026.