%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 Μαθηματική Επιθεώρηση

%D 1980
%P 149-158
%V 20
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MR_1980__20_a13/
%G gr
%F MR_1980__20_a13