DINIZ, Marcio A.; STERN, R. B.; SALAZAR, Luis E. Positive Polynomials on Closed Boxes. Trends in Computational and Applied Mathematics, [S. l.], v. 20, n. 3, p. 509, 2019. DOI: 10.5540/tema.2019.020.03.509. Disponível em: https://tcam.sbmac.org.br/tema/article/view/1383. Acesso em: 3 jul. 2024.