RHOADES, B. E. On the degree of approximation of functions belonging to a Lipschitz class by Hausdorff means of its Fourier series. Tamkang Journal of Mathematics, [S. l.], v. 34, n. 3, p. 245–247, 2003. DOI: 10.5556/j.tkjm.34.2003.316. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/316. Acesso em: 25 apr. 2024.