@article{Sontag_1988,
    title = {Controllability is Harder to Decide than Accessibility},
    volume = {26},
    issn = {1095-7138},
    url = {http://dx.doi.org/10.1137/0326061},
    doi = {10.1137/0326061},
    number = {5},
    journal = {SIAM Journal on Control and Optimization},
    publisher = {Society for Industrial & Applied Mathematics (SIAM)},
    author = {Sontag, Eduardo D.},
    year = {1988},
    month = {sep},
    pages = {1106–1118},
    date-added = {2024-2-21 7:33:49 +0100}
}

@article{Sontag_1988, title = {Controllability is Harder to Decide than Accessibility}, volume = {26}, issn = {1095-7138}, url = {http://dx.doi.org/10.1137/0326061}, doi = {10.1137/0326061}, number = {5}, journal = {SIAM Journal on Control and Optimization}, publisher = {Society for Industrial & Applied Mathematics (SIAM)}, author = {Sontag, Eduardo D.}, year = {1988}, month = {sep}, pages = {1106–1118}, date-added = {2024-2-21 7:33:49 +0100} }