TY  - JOUR
AU  - A. A. Martynyuk
TI  - The comparison principle and averaging in systems with fast and slow motions
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 1307
EP  - 1310
VL  - 253
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_253_6_a4/
LA  - ru
ID  - DAN_1980_253_6_a4
ER  -