TY  - JOUR
AU  - M. M. Khapaev
AU  - O. P. Filatov
TI  - The averaging principle for systems with ``fast'' and ``slow'' variables
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 1640
EP  - 1643
VL  - 19
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_9_a27/
LA  - ru
ID  - DE_1983_19_9_a27
ER  -