TY - JOUR AU - Sussmann, Héctor J. TI - The control problem $\dot x=(A(1-u)+Bu)x$: A comment on an article by J. Kučera JO - Czechoslovak Mathematical Journal PY - 1972 SP - 423 EP - 426 VL - 22 IS - 3 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1972.101111/ DO - 10.21136/CMJ.1972.101111 LA - en ID - 10_21136_CMJ_1972_101111 ER -