TY  - JOUR
AU  - Ya. Futak
TI  - Asymptotic equivalence of systems of ordinary differential equations and systems of differential equations with retarded argument
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 911
EP  - 914
VL  - 19
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_5_a21/
LA  - ru
ID  - DE_1983_19_5_a21
ER  -