TY  - JOUR
AU  - R. R. Akhmerov
AU  - M. I. Kamenskii
TI  - On the second theorem of N.\,N.~Bogoljubov in the averaging principle for functional-differential equations of neutral type
JO  - Differencialʹnye uravneniâ
PY  - 1974
SP  - 537
EP  - 540
VL  - 10
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1974_10_3_a15/
LA  - ru
ID  - DE_1974_10_3_a15
ER  -