Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_2006__42_5_a12, author = {Kol\'a\v{r}, Martin}, title = {The local equivalence problem in {CR} geometry}, journal = {Archivum mathematicum}, pages = {253--266}, publisher = {mathdoc}, volume = {42}, number = {5}, year = {2006}, mrnumber = {2322412}, zbl = {1164.32307}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_2006__42_5_a12/} }
Kolář, Martin. The local equivalence problem in CR geometry. Archivum mathematicum, Tome 42 (2006) no. 5, pp. 253-266. http://geodesic.mathdoc.fr/item/ARM_2006__42_5_a12/