CHENG, S. S.; LU, R. F. A GENERALIZATION OF THE DISCRETE HARDY’S INEQUALITY. Tamkang Journal of Mathematics, [S. l.], v. 24, n. 4, p. 469–475, 1993. DOI: 10.5556/j.tkjm.24.1993.4518. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4518. Acesso em: 4 may. 2024.