TY  - JOUR
AU  - O. P. Filatov
TI  - The theorem of averaging and indeterminate conditional periodic motions
JO  - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ
PY  - 2010
SP  - 87
EP  - 92
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VSGU_2010_6_a9/
LA  - ru
ID  - VSGU_2010_6_a9
ER  -