Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1987__44_2_115581, author = {Kumpera, Rodrigo}, title = {Sur la g\'eom\'etrie de contact d'ordre sup\'erieur}, journal = {Portugaliae mathematica}, pages = {199--212}, publisher = {mathdoc}, volume = {44}, number = {2}, year = {1987}, mrnumber = {0911442}, zbl = {0633.53061}, language = {fr}, url = {http://geodesic.mathdoc.fr/item/PORMA_1987__44_2_115581/} }
Kumpera, Rodrigo. Sur la géométrie de contact d'ordre supérieur. Portugaliae mathematica, Tome 44 (1987) no. 2, pp. 199-212. http://geodesic.mathdoc.fr/item/PORMA_1987__44_2_115581/