%0 Journal Article %A B. A. Vostretsov %A M. A. Kreines %T Approximation of continuous functions by superpositions of plane waves %J Doklady Akademii Nauk %D 1961 %P 1237-1240 %V 140 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_140_6_a0/ %G ru %F DAN_1961_140_6_a0