TY  - JOUR
AU  - P. P. Bobrik
TI  - Periodic solutions in a problem of a heavy rigid body with one fixed point
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1990
SP  - 52
EP  - 55
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1990_1_a12/
LA  - ru
ID  - VMUMM_1990_1_a12
ER  -