Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1963_152_1_a2, author = {V. V. Vagner}, title = {On {Ehresmann's} theory of jets}, journal = {Doklady Akademii Nauk}, pages = {17--19}, publisher = {mathdoc}, volume = {152}, number = {1}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a2/} }
V. V. Vagner. On Ehresmann's theory of jets. Doklady Akademii Nauk, Tome 152 (1963) no. 1, pp. 17-19. http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a2/