TY  - JOUR
AU  - L. P. Kokhanovskaya
TI  - On the accuracy of the first approximation for non-stationary linear systems
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1964
SP  - 75
EP  - 78
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1964_4_a10/
LA  - ru
ID  - IVM_1964_4_a10
ER  -