TY  - JOUR
AU  - L. E. Zabello
TI  - On the theory of the controllability of linear nonstationary systems
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 563
EP  - 564
VL  - 9
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_3_a23/
LA  - ru
ID  - DE_1973_9_3_a23
ER  -