BRUN, Viggo. Une formule d’inversion corrigée. Mathematica Scandinavica, Berkeley, CA, United States, v. 3, p. 224–228, 1955. DOI: 10.7146/math.scand.a-10440. Disponível em: https://journals.msp.org/mscand/article/view/2882. Acesso em: 8 sep. 2026.