GIORDANO, Thierry; PUTNAM, Ian F.; SKAU, Christian F. $K$-theory and asymptotic index for certain almost one-to-one factors. MATHEMATICA SCANDINAVICA, [S. l.], v. 89, n. 2, p. 297–319, 2001. DOI: 10.7146/math.scand.a-14343. Disponível em: https://tidsskrift.dk/math/article/view/14343. Acesso em: 14 aug. 2026.