FRANKL, P.; FÜREDI, Z.; KALAI, G. Shadows of colored complexes. MATHEMATICA SCANDINAVICA, [S. l.], v. 63, p. 169–178, 1988. DOI: 10.7146/math.scand.a-12231. Disponível em: https://www.mscand.dk/article/view/12231. Acesso em: 3 may. 2024.