%0 Journal Article
%A A. P. Kachalov
%T Space-time ray method for waves of small deformation in a nonlinear elastic medium
%J Zapiski Nauchnykh Seminarov POMI
%D 1984
%P 61-72
%V 140
%U http://geodesic.mathdoc.fr/item/ZNSL_1984_140_a5/
%G ru
%F ZNSL_1984_140_a5