%0 Journal Article
%A Gunter Bengel
%A Raymond Gérard
%T Formal and Convergent Solutions of Singular Partial Differential Equations.
%J Manuscripta mathematica
%D 1982
%P 343-374
%V 38
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1982__38_154864/
%F MM2_1982__38_154864