PUTINAR, M.; VASILESCU, F.-H. A uniqueness criterion in the multivariate moment problem. MATHEMATICA SCANDINAVICA, [S. l.], v. 92, n. 2, p. 295–300, 2003. DOI: 10.7146/math.scand.a-14406. Disponível em: https://www.mscand.dk/article/view/14406. Acesso em: 3 may. 2024.