TY  - JOUR
AU  - A. B. Kurzhanskii
TI  - On the approximation of linear differential equations with lag
JO  - Differencialʹnye uravneniâ
PY  - 1967
SP  - 2094
EP  - 2107
VL  - 3
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1967_3_12_a9/
LA  - ru
ID  - DE_1967_3_12_a9
ER  -