%0 Journal Article
%A K. P. Surovikhin
%T The invariant meaning of Riemann's invariants
%J Doklady Akademii Nauk
%D 1965
%P 319-322
%V 163
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_163_2_a13/
%G ru
%F DAN_1965_163_2_a13