TY  - JOUR
AU  - V. I. Blagodatskikh
TI  - The controllability problem for linear systems
JO  - Informatics and Automation
PY  - 1977
SP  - 57
EP  - 67
VL  - 143
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1977_143_a3/
LA  - ru
ID  - TRSPY_1977_143_a3
ER  -