TY  - JOUR
AU  - Gunter Bengel
AU  - Raymond Gérard
TI  - Formal and Convergent Solutions of Singular Partial Differential Equations.
JO  - Manuscripta mathematica
PY  - 1982
SP  - 343
EP  - 374
VL  - 38
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1982__38_154864/
ID  - MM2_1982__38_154864
ER  -