%0 Journal Article
%A E. V. Radkevich
%T The complex wave front in the problem of analyticity of solutions of linear partial differential equations
%J Doklady Akademii Nauk
%D 1977
%P 559-562
%V 233
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_233_4_a12/
%G ru
%F DAN_1977_233_4_a12