BENTMANN, Rasmus. Cuntz Splice invariance for purely infinite graph algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 122, n. 1, p. 91–106, 2018. DOI: 10.7146/math.scand.a-96633. Disponível em: https://journals.msp.org/mscand/article/view/292. Acesso em: 24 jul. 2026.