YESSENBAYEVA, Gulsim A.; YESSENBAYEVA, G.A.; KASIMOV, A.T.; SYZDYKOVA, N.K. On the boundedness of the partial sums operator for the Fourier series in the function classes families associated with harmonic intervals. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 103, n. 3, p. 131–139, 2021. DOI: 10.31489/2021m3/131-139. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/483. Acesso em: 4 jul. 2025.