@article{MZM_1999_65_6_a20,
     author = {E. D. Nursultanov},
     title = {Letter to the editor: {``On} multipliers of {Fourier} series in a~trigonometric system''},
     journal = {Matemati\v{c}eskie zametki},
     pages = {953},
     publisher = {mathdoc},
     volume = {65},
     number = {6},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_65_6_a20/}
}