TY  - JOUR
AU  - I. V. Gaishun
TI  - Controllability of the characteristic vectors of linear time-dependent systems
JO  - Differencialʹnye uravneniâ
PY  - 1999
SP  - 24
EP  - 29
VL  - 35
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1999_35_1_a3/
LA  - ru
ID  - DE_1999_35_1_a3
ER  -