FRANKL, P.; FÜREDI, Z.; KALAI, G. Shadows of colored complexes. Mathematica Scandinavica, Berkeley, CA, United States, v. 63, p. 169–178, 1988. DOI: 10.7146/math.scand.a-12231. Disponível em: https://journals.msp.org/mscand/article/view/1430. Acesso em: 24 jul. 2026.