@article{Kurzhanskiy_2007,
    doi = {10.1109/tac.2006.887900},
    url = {https://doi.org/10.1109%2Ftac.2006.887900},
    year = {2007},
    month = {jan},
    publisher = {Institute of Electrical and Electronics Engineers ({IEEE})},
    volume = {52},
    number = {1},
    pages = {26--38},
    author = {Alex A. Kurzhanskiy and Pravin Varaiya},
    title = {Ellipsoidal Techniques for Reachability Analysis of Discrete-Time Linear Systems},
    journal = {{IEEE} Transactions on Automatic Control}
}

@article{Kurzhanskiy_2007, doi = {10.1109/tac.2006.887900}, url = {https://doi.org/10.1109%2Ftac.2006.887900}, year = {2007}, month = {jan}, publisher = {Institute of Electrical and Electronics Engineers ({IEEE})}, volume = {52}, number = {1}, pages = {26--38}, author = {Alex A. Kurzhanskiy and Pravin Varaiya}, title = {Ellipsoidal Techniques for Reachability Analysis of Discrete-Time Linear Systems}, journal = {{IEEE} Transactions on Automatic Control} }