TY  - JOUR
AU  - S. V. Bolotin
TI  - First integrals of systems with elastic reflections
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1988
SP  - 42
EP  - 45
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1988_6_a10/
LA  - ru
ID  - VMUMM_1988_6_a10
ER  -