LITTLE, R. D. Self-intersection of fixed manifolds and relations for the multisignature. MATHEMATICA SCANDINAVICA, [S. l.], v. 69, p. 167–178, 1991. DOI: 10.7146/math.scand.a-12376. Disponível em: https://www.mscand.dk/article/view/12376. Acesso em: 28 apr. 2024.