LASURIYA, R. A. 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, [S. l.], v. 54, n. 10, p. 1437–1439, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4181. Acesso em: 5 dec. 2025.