YANG, G.-S.; HONG, M.-C. A NOTE ON HADAMARD’S INEQUALITY. Tamkang Journal of Mathematics, [S. l.], v. 28, n. 1, p. 33–37, 1997. DOI: 10.5556/j.tkjm.28.1997.4331. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4331. Acesso em: 8 may. 2024.