MATSUMOTO, Kengo. Cuntz-Krieger Algebras Associated with Hilbert $C^*$-Quad Modules of Commuting Matrices. MATHEMATICA SCANDINAVICA, [S. l.], v. 117, n. 1, p. 126–149, 2015. DOI: 10.7146/math.scand.a-22239. Disponível em: https://tidsskrift.dk/math/article/view/22239. Acesso em: 14 aug. 2026.