%0 Journal Article
%A V. V. Lychagin
%T The geometry and topology of shock waves
%J Doklady Akademii Nauk
%D 1982
%P 551-555
%V 264
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1982_264_3_a7/
%G ru
%F DAN_1982_264_3_a7