@article{Ljung_1994,
    doi = {10.1016/0005-1098(94)90029-9},
    url = {https://doi.org/10.1016%2F0005-1098%2894%2990029-9},
    year = {1994},
    month = {feb},
    publisher = {Elsevier {BV}},
    volume = {30},
    number = {2},
    pages = {265--276},
    author = {Lennart Ljung and Torkel Glad},
    title = {On global identifiability for arbitrary model parametrizations},
    journal = {Automatica}
}

@article{Ljung_1994, doi = {10.1016/0005-1098(94)90029-9}, url = {https://doi.org/10.1016%2F0005-1098%2894%2990029-9}, year = {1994}, month = {feb}, publisher = {Elsevier {BV}}, volume = {30}, number = {2}, pages = {265--276}, author = {Lennart Ljung and Torkel Glad}, title = {On global identifiability for arbitrary model parametrizations}, journal = {Automatica} }