The Strong Approximation of Functions by Fourier-Vilenkin Series in Uniform and Hölder Metrics. Analysis in Theory and Applications, [S. l.], v. 31, n. 1, p. 1–12, 2017. DOI: 10.4208/ata.2015.v31.n1.1. Disponível em: https://www.global-sci.com/index.php/ata/article/view/8042. Acesso em: 6 dec. 2025.