Journal of Mathematical Inequalities · Volume 14, Issue 1 On approximation of function in generalized Zygmund class using CηT operator 14-18 Pages 273-289 DOI 10.7153/jmi-2020-14-18 Downloads Short PDF Full PDF PNG Authors H. K. Nigam Md. Hadish Keywords error estimates generalized Zygmund class Cesàro-matrix operator Fourier series Subject classes 41A10 41A25 42B05 42A50 40G05 40C05