@article{Zhang_2001,
    doi = {10.1002/rnc.592},
    url = {https://doi.org/10.1002%2Frnc.592},
    year = {2001},
    month = {apr},
    publisher = {Wiley},
    volume = {11},
    number = {5},
    pages = {435--451},
    author = {Jun Zhang and Karl Henrik Johansson and John Lygeros and Shankar Sastry},
    title = {Zeno hybrid systems},
    journal = {International Journal of Robust and Nonlinear Control}
}

@article{Zhang_2001, doi = {10.1002/rnc.592}, url = {https://doi.org/10.1002%2Frnc.592}, year = {2001}, month = {apr}, publisher = {Wiley}, volume = {11}, number = {5}, pages = {435--451}, author = {Jun Zhang and Karl Henrik Johansson and John Lygeros and Shankar Sastry}, title = {Zeno hybrid systems}, journal = {International Journal of Robust and Nonlinear Control} }