%0 Journal Article
%A Blanco, Ricardo J. Alonso
%T $\Cal D$-modules, contact valued calculus and Poincaré-Cartan form
%J Czechoslovak Mathematical Journal
%D 1999
%P 585-606
%V 49
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMJ_1999__49_3_a10/
%G en
%F CMJ_1999__49_3_a10