%0 Journal Article %A A. A. Nurmagomedov %T The approximation of functions by partial sums of the Fourier series in polynomials %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2020 %P 64-73 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2020_4_a5/ %G ru %F IVM_2020_4_a5