TY  - RPRT
TI  - Optimality and strong stability of control systems.
AU  - J P Lasalle
AU  - S Wan
PY  - 1968
DO  - 10.1073/pnas.61.2.375
UR  - https://pubmed.ncbi.nlm.nih.gov/16591692/
ID  - 16591692
ER  -