TY  - JOUR
AU  - Lions, J.L.
TI  - Measures of controllability.
JO  - Georgian Mathematical Journal
PY  - 1994
SP  - 47
EP  - 52
VL  - 1
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/GMJ_1994__1_1_47153/
LA  - en
ID  - GMJ_1994__1_1_47153
ER  -