Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1995_344_3_a1, author = {A. D. Bruno}, title = {Methods for computing the normal form}, journal = {Doklady Akademii Nauk}, pages = {298--300}, publisher = {mathdoc}, volume = {344}, number = {3}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1995_344_3_a1/} }
A. D. Bruno. Methods for computing the normal form. Doklady Akademii Nauk, Tome 344 (1995) no. 3, pp. 298-300. http://geodesic.mathdoc.fr/item/DAN_1995_344_3_a1/