%0 Journal Article
%A M. A. Brodskii
%A A. L. Levshin
%T Asymptotic method of the determination of velocity cross-section of the Earth according to its natural frequency
%J Doklady Akademii Nauk
%D 1977
%P 312-315
%V 233
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_233_2_a13/
%G ru
%F DAN_1977_233_2_a13