SLEPENCHUK, K. M. Extension of Holder’s means and Tauber type theorem for these methods . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 18, n. 1, p. 129–134, 1966. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8664. Acesso em: 17 feb. 2026.