%0 Journal Article
%A S. D. Èidel'man
%A V. A. Kondratiev
%T The nature of the solutions of linear evolutionary systems with elliptic spatial part
%J Doklady Akademii Nauk
%D 1969
%P 468-471
%V 189
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_189_3_a4/
%G ru
%F DAN_1969_189_3_a4