KAROUBI, M.; VILLAMAYOR, O. $K$-théorie algébrique et $K$-théorie topologique I. MATHEMATICA SCANDINAVICA, [S. l.], v. 28, p. 265–307, 1971. DOI: 10.7146/math.scand.a-11024. Disponível em: https://www.mscand.dk/article/view/11024. Acesso em: 2 may. 2024.