SVENSSON, Jan-alve. Lower equivariant $K$-theory. Mathematica Scandinavica, Berkeley, CA, United States, v. 60, p. 179–201, 1987. DOI: 10.7146/math.scand.a-12179. Disponível em: https://journals.msp.org/mscand/article/view/1451. Acesso em: 25 jul. 2026.