Lasuriya, R. A. “Marcinkiewicz-Type Strong Means of Fourier—Laplace Series”. Ukrains’kyi Matematychnyi Zhurnal 56, no. 6 (June 25, 2004): 763–773. Accessed April 14, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/3796.