TY  - JOUR
AU  - A. S. Logachev
TI  - Nondegeneracy of conditionally periodic motions of a heavy rigid body in the Kovalevskaya case
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1984
SP  - 82
EP  - 85
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1984_4_a21/
LA  - ru
ID  - VMUMM_1984_4_a21
ER  -