TY  - JOUR
AU  - Yu. Ya. Belov
TI  - On approximation of a class of systems of linear differential equations
JO  - Doklady Akademii Nauk
PY  - 1975
SP  - 765
EP  - 768
VL  - 220
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1975_220_4_a1/
LA  - ru
ID  - DAN_1975_220_4_a1
ER  -