ZADEREY, P. V.; GAEVSKIJ, M. V. On regularity of linear summation methods of Taylor series. Methods of Functional Analysis and Topology, [S. l.], v. 21, n. 1, p. 56–68, 2015. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/600. Acesso em: 16 dec. 2025.