ANDERSEN, L. D. On edge-colorings of graphs. MATHEMATICA SCANDINAVICA, [S. l.], v. 40, p. 161–175, 1977. DOI: 10.7146/math.scand.a-11685. Disponível em: https://www.mscand.dk/article/view/11685. Acesso em: 22 nov. 2024.