Nigam, H. K.; Sah, Manoj Kumar An analysis of the convergence problem of a function of hexagonal Fourier series in generalized Hölder norm using Hausdorff operator. (English) Zbl 1539.42002 Math. Methods Appl. Sci. 47, No. 4, 2787-2826 (2024). MSC: 42A20 41A25 42A75 × Cite Format Result Cite Review PDF Full Text: DOI
Das, Shilpa; Dutta, Hemen Degree of approximation of signals in certain Lipschitz classes by the Zweier-Euler product summability method of Fourier series. (English) Zbl 1471.42003 Math. Methods Appl. Sci. 44, No. 6, 4881-4887 (2021). MSC: 42A10 42A24 40G05 94A12 41A25 × Cite Format Result Cite Review PDF Full Text: DOI