LasuriyaR. A. “Groups of Deviations of Fourier Series in Generalized Hölder Spaces”. Ukrains’kyi Matematychnyi Zhurnal 68, no. 8 (August 25, 2016): 1056-1067. Accessed November 21, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/1901.