%0 Journal Article
%A K. P. Stanyukovich
%T Spherical sound waves in Riemannian space
%J Doklady Akademii Nauk
%D 1968
%P 819-822
%V 181
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1968_181_4_a13/
%G ru
%F DAN_1968_181_4_a13