Lasuriya, R. A. (2005) “Summation of Fourier-Laplace Series in the Space $L(S^m)$”, Ukrains’kyi Matematychnyi Zhurnal, 57(4), pp. 496–504. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3616 (Accessed: 16June2024).