TY  - JOUR
AU  - I. S. Emel'yanova
TI  - Symmetric canonical equations with a Hamiltonian that depends explicitly on time
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1989
SP  - 50
EP  - 54
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1989_4_a11/
LA  - ru
ID  - VMUMM_1989_4_a11
ER  -