TY  - JOUR
AU  - A. S. Galiullin
TI  - Invariance of action and inverse problems of dynamics
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 1318
EP  - 1325
VL  - 20
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_8_a3/
LA  - ru
ID  - DE_1984_20_8_a3
ER  -