%0 Journal Article
%A V. Ya. Ivrii
%T Exponential decay of the solution of the wave equation outside an almost star-shaped region
%J Doklady Akademii Nauk
%D 1969
%P 938-940
%V 189
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_189_5_a3/
%G ru
%F DAN_1969_189_5_a3