SERDYUK, A. S. Approximation of Classes of Analytic Functions by Fourier Sums in Uniform Metric. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 57, n. 8, p. 1079 – 1096, 2005. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3666. Acesso em: 5 dec. 2025.