@article{MO_2015_73_1_a1,
     author = {E. Z. Skvortsova},
     title = {Trigonometric polynomials},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {12--26},
     publisher = {mathdoc},
     volume = {73},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2015_73_1_a1/}
}