%0 Journal Article
%A Z. Kamont
%A W. Pawelski
%T On the characteristics for a system of partial differential equations of the first order in a special case
%J Annales Polonici Mathematici
%D 1974
%P 215-228
%V 29
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-29-3-215-228/
%R 10.4064/ap-29-3-215-228
%G en
%F 10_4064_ap_29_3_215_228