TY  - JOUR
AU  - I. V. Kuznetsova
TI  - Averaging in multifrequency systems with lag
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 1128
EP  - 1131
VL  - 17
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_6_a17/
LA  - ru
ID  - DE_1981_17_6_a17
ER  -