%0 Journal Article
%A B. A. Vostretsov
%A M. A. Kreines
%T Approximation of a plane wave by superpositions of plane waves with given directions
%J Doklady Akademii Nauk
%D 1962
%P 1212-1214
%V 144
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_144_6_a1/
%G ru
%F DAN_1962_144_6_a1