LasuriyaR. A. (2002). The characteristics of points of strong summability of the Fourier - Laplace series for functions from the class $L(S^m)$ in the case of critical indicator. Ukrains’kyi Matematychnyi Zhurnal, 54(10), 1437-1439. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/4181