@article{MO_2015_2_a2,
     author = {E. Z. Skvortsova},
     title = {Trigonometric polynomials, continued},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {27--41},
     year = {2015},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2015_2_a2/}
}