(1) Department of Mathematics, Northwest University, Xi'an, Shaanxi, P.R. China;(2) Department of Mathematics, Northwest University, Xi'an, Shaanxi, P.R. China
Abstract:
Summary Our purpose is to extend results due to P. Chandra and L. Leindler concerning the order of approximation by means of Fourier series for functions belonging to generalized Lipschitz-classes.