%0 Journal Article
%A T. V. Savina
%A B. Yu. Sternin
%A V. E. Shatalov
%T On the reflection law for the Helmholtz equation
%J Doklady Akademii Nauk
%D 1992
%P 48-51
%V 322
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1992_322_1_a9/
%G ru
%F DAN_1992_322_1_a9