%0 Journal Article
%A M. R. Levitin
%T On the spectrum of natural oscillations of a shell filled with a
%J Doklady Akademii Nauk
%D 1987
%P 1355-1358
%V 295
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_295_6_a17/
%G ru
%F DAN_1987_295_6_a17