@article{ISU_2019_19_1_a0,
     author = {G. G. Akniev},
     title = {Approximation of continuous $2\pi$-periodic piecewise smooth functions by discrete {Fourier} sums},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {4--15},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ISU_2019_19_1_a0/}
}