CARLESON, Lennart. On Universal Moment Problems. Mathematica Scandinavica, Berkeley, CA, United States, v. 9, p. 197–206, 1961. DOI: 10.7146/math.scand.a-10635. Disponível em: https://journals.msp.org/mscand/article/view/2711. Acesso em: 25 jul. 2026.