%0 Journal Article
%A M. D. Dolberg
%A N. N. Yasnitskaya
%T Lower bounds for the oscillation frequencies of an elastic system. Generalized Dunkerly--Papkovich estimates
%J Doklady Akademii Nauk
%D 1973
%P 1317-1319
%V 212
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_212_6_a12/
%G ru
%F DAN_1973_212_6_a12