%0 Journal Article
%A L. N. Maurin
%T Lowering of the order of a system of equations of hydrodynamic type allowing simple degeneracy
%J Doklady Akademii Nauk
%D 1978
%P 550-553
%V 239
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1978_239_3_a12/
%G ru
%F DAN_1978_239_3_a12