GOULD, H. W. Note on a Paper of Sparre Andersen. MATHEMATICA SCANDINAVICA, [S. l.], v. 6, p. 226–230, 1958. DOI: 10.7146/math.scand.a-10547. Disponível em: https://www.mscand.dk/article/view/10547. Acesso em: 23 nov. 2024.