Łenski W. Pointwise (H, Φ) Strong Approximation by Fourier Series of LΨ Integrable Functions. Tamkang J. Math. [Internet]. 2021 Apr. 6 [cited 2024 Apr. 26];53(1):1-9. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3219