HOFFMANN-JORGENSEN, J.; RESSEL, P. On completely monotone functions on $C_+(X)$. MATHEMATICA SCANDINAVICA, [S. l.], v. 40, p. 79–93, 1977. DOI: 10.7146/math.scand.a-11677. Disponível em: https://www.mscand.dk/article/view/11677. Acesso em: 4 may. 2024.