@article{Fliess_1983c,
    title = {A Finiteness Criterion for Nonlinear Input–Output Differential Systems},
    volume = {21},
    issn = {1095-7138},
    url = {http://dx.doi.org/10.1137/0321044},
    doi = {10.1137/0321044},
    number = {5},
    journal = {SIAM Journal on Control and Optimization},
    publisher = {Society for Industrial & Applied Mathematics (SIAM)},
    author = {Fliess, Michel and Kupka, Ivan},
    year = {1983},
    month = {sep},
    pages = {721--728},
    date-added = {2025-2-10 17:36:3 +0100}
}

@article{Fliess_1983c, title = {A Finiteness Criterion for Nonlinear Input–Output Differential Systems}, volume = {21}, issn = {1095-7138}, url = {http://dx.doi.org/10.1137/0321044}, doi = {10.1137/0321044}, number = {5}, journal = {SIAM Journal on Control and Optimization}, publisher = {Society for Industrial & Applied Mathematics (SIAM)}, author = {Fliess, Michel and Kupka, Ivan}, year = {1983}, month = {sep}, pages = {721--728}, date-added = {2025-2-10 17:36:3 +0100} }