Sahani SK, Mishra LN. Degree of Approximation of Signals by Norlund Summability of Derived Fourier series. Nepali Math. Sci. Rep. [Internet]. 2021 Dec. 31 [cited 2024 Dec. 4];38(2):13-9. Available from: https://nepjol.info./index.php/nmsr/article/view/42845