Shan-Min Swei, Tetsuya Iwasaki, Martin Corless. Quadratic Controllability, Strong Controllability, and A Related Output Feedback Property. SIAM J. Control and Optimization, 39(5):1373-1390, 2000. [doi]
@article{SweiIC00, title = {Quadratic Controllability, Strong Controllability, and A Related Output Feedback Property}, author = {Shan-Min Swei and Tetsuya Iwasaki and Martin Corless}, year = {2000}, doi = {10.1137/S0363012999365108}, url = {http://dx.doi.org/10.1137/S0363012999365108}, researchr = {https://researchr.org/publication/SweiIC00}, cites = {0}, citedby = {0}, journal = {SIAM J. Control and Optimization}, volume = {39}, number = {5}, pages = {1373-1390}, }