@article{IVM_2020_4_a5,
     author = {A. A. Nurmagomedov},
     title = {The approximation of functions by partial sums of the {Fourier} series in polynomials
},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {64--73},
     publisher = {mathdoc},
     number = {4},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2020_4_a5/}
}