%0 Journal Article
%A Z. Kowalski
%T A difference method for certain hyperbolic systems of non-linear partial differential equations of the first order
%J Annales Polonici Mathematici
%D 1967
%P 313-322
%V 19
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-19-3-313-322/
%R 10.4064/ap-19-3-313-322
%G en
%F 10_4064_ap_19_3_313_322