TY  - JOUR
AU  - Sussmann, Héctor J.
TI  - The control problem $\dot x=A(u)x$
JO  - Czechoslovak Mathematical Journal
PY  - 1972
SP  - 490
EP  - 494
VL  - 22
IS  - 3
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1972.101117/
DO  - 10.21136/CMJ.1972.101117
LA  - en
ID  - 10_21136_CMJ_1972_101117
ER  -