Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1982__38_154864, author = {Gunter Bengel and Raymond G\'erard}, title = {Formal and {Convergent} {Solutions} of {Singular} {Partial} {Differential} {Equations.}}, journal = {Manuscripta mathematica}, pages = {343--374}, publisher = {mathdoc}, volume = {38}, year = {1982}, zbl = {0502.35006}, url = {http://geodesic.mathdoc.fr/item/MM2_1982__38_154864/} }
Gunter Bengel; Raymond Gérard. Formal and Convergent Solutions of Singular Partial Differential Equations.. Manuscripta mathematica, Tome 38 (1982), pp. 343-374. http://geodesic.mathdoc.fr/item/MM2_1982__38_154864/