TY  - JOUR
AU  - V. V. Vagner
TI  - On Ehresmann's theory of jets
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 17
EP  - 19
VL  - 152
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a2/
LA  - ru
ID  - DAN_1963_152_1_a2
ER  -