@article{DAN_1961_140_6_a0,
     author = {B. A. Vostretsov and M. A. Kreines},
     title = {Approximation of continuous functions by superpositions of plane waves},
     journal = {Doklady Akademii Nauk},
     pages = {1237--1240},
     publisher = {mathdoc},
     volume = {140},
     number = {6},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_140_6_a0/}
}