%0 Journal Article
%A A. F. Sidorov
%A N. N. Yanenko
%T On unsteady two-dimensional flows of polytropic gas with straight line characteristics
%J Doklady Akademii Nauk
%D 1958
%P 832-834
%V 123
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1958_123_5_a16/
%G ru
%F DAN_1958_123_5_a16