TY  - JOUR
AU  - L. M. Litvin
AU  - V. V. Rudnev
TI  - On almost-periodic oscillations in mechanical systems
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 1329
EP  - 1333
VL  - 317
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_317_6_a9/
LA  - ru
ID  - DAN_1991_317_6_a9
ER  -