%0 Journal Article
%A Carvalho e Silva, Jaime
%T A sufficient condition for the well posedness of a Goursat problem
%J Portugaliae mathematica
%D 1988
%P 221-228
%V 45
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1988__45_2_115626/
%G en
%F PORMA_1988__45_2_115626