%0 Journal Article
%A A. Yu. Belyaev
%T Wave propagation in a continuous medium with periodically
%J Doklady Akademii Nauk
%D 1987
%P 828-831
%V 296
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_296_4_a13/
%G ru
%F DAN_1987_296_4_a13