TY  - JOUR
AU  - A. M. Samoilenko
TI  - On the question of the justification of the averaging method for multifrequency oscillating systems
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 267
EP  - 278
VL  - 23
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_2_a9/
LA  - ru
ID  - DE_1987_23_2_a9
ER  -