%0 Journal Article
%A E. C. Zachmanoglou
%T Solutions which are flat or Singular on Totally Characteristic Manifolds of first order Partial Differential Equations 
%J Ευκλείδης Γ

%D 1988
%P 149-158
%V 20
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EUG_1988__20_a13/
%G gr
%F EUG_1988__20_a13