SPITZWECK, M.; ØSTVÆR, P. A. A Bott inverted model for equivariant unitary topological $K$-theory. MATHEMATICA SCANDINAVICA, [S. l.], v. 106, n. 2, p. 211–216, 2010. DOI: 10.7146/math.scand.a-15133. Disponível em: https://www.mscand.dk/article/view/15133. Acesso em: 24 apr. 2024.