TY  - JOUR
AU  - S. Rolewicz
TI  - On optimal observability of linear systems with infinite-dimensional states
JO  - Studia Mathematica
PY  - 1972
SP  - 411
EP  - 416
VL  - 44
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-44-5-411-416/
DO  - 10.4064/sm-44-5-411-416
LA  - en
ID  - 10_4064_sm_44_5_411_416
ER  -