SAH, Chih-han. Scissors congruences, I. The Gauss-Bonnet map corrections. MATHEMATICA SCANDINAVICA, [S. l.], v. 53, p. 62–62, 1983. DOI: 10.7146/math.scand.a-12016. Disponível em: https://tidsskrift.dk/math/article/view/12016. Acesso em: 14 aug. 2026.