@article{GDZPPN002097842, title = {Finitely Determined Singularities of Formal Vector Fields.}, journal = {Inventiones mathematicae}, volume = {69}, year = {1982}, pages = {199-214}, zbl = {0491.58025}, url = {http://dml.mathdoc.fr/item/GDZPPN002097842} }
Ichikawa, Fumio. Finitely Determined Singularities of Formal Vector Fields.. Inventiones mathematicae, Tome 69 (1982) pp. 199-214. http://gdmltest.u-ga.fr/item/GDZPPN002097842/