CARLESON, Lennart. On Universal Moment Problems. MATHEMATICA SCANDINAVICA, [S. l.], v. 9, p. 197–206, 1961. DOI: 10.7146/math.scand.a-10635. Disponível em: https://tidsskrift.dk/math/article/view/10635. Acesso em: 14 aug. 2026.