KLOVE, Torleiv. Power Sums of Integers with Missing Digits. MATHEMATICA SCANDINAVICA, [S. l.], v. 28, p. 247–251, 1971. DOI: 10.7146/math.scand.a-11021. Disponível em: https://www.mscand.dk/article/view/11021. Acesso em: 5 dec. 2025.