S.ALHILY, S. A new Proof of Hardy. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 34, n. 1, p. 276–285, 2017. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7454. Acesso em: 6 may. 2024.