TY  - JOUR
AU  - A. M. Vershik
AU  - O. A. Granichina
TI  - Reduction of nonholonomic variation problems to isoperimetric ones and connections in principal bundles
JO  - Matematičeskie zametki
PY  - 1991
SP  - 37
EP  - 44
VL  - 49
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a5/
LA  - ru
ID  - MZM_1991_49_5_a5
ER  -