HWANG, D.-Y.; YANG, G.-S. NOTE ON DISCRETE HARDY’S INEQUALITY. Tamkang Journal of Mathematics, [S. l.], v. 21, n. 4, p. 333–336, 1990. DOI: 10.5556/j.tkjm.21.1990.4677. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4677. Acesso em: 18 apr. 2024.