@article{DAN_1975_221_2_a5,
     author = {A. A. Kelzon},
     title = {On the {Fourier} coefficients and {Fourier{\textendash}Lagrange} coefficients of functions of bounded higher variations},
     journal = {Doklady Akademii Nauk},
     pages = {283--286},
     year = {1975},
     volume = {221},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_2_a5/}
}