ŁENSKI, W. Pointwise (H, Φ) Strong Approximation by Fourier Series of LΨ Integrable Functions. Tamkang Journal of Mathematics, [S. l.], v. 53, n. 1, p. 1-9, 2021. DOI: 10.5556/j.tkjm.53.2022.3219. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3219. Acesso em: 18 jan. 2022.