@article{Bartosiewicz_1987,
    title = {Rational systems and observation fields},
    volume = {9},
    issn = {0167-6911},
    url = {http://dx.doi.org/10.1016/0167-6911(87)90066-1},
    doi = {10.1016/0167-6911(87)90066-1},
    number = {5},
    journal = {Systems {\&} Control Letters},
    publisher = {Elsevier BV},
    author = {Bartosiewicz, Zbigniew},
    year = {1987},
    month = {nov},
    pages = {379–386},
    date-added = {2024-10-11 14:16:14 +0100}
}

@article{Bartosiewicz_1987, title = {Rational systems and observation fields}, volume = {9}, issn = {0167-6911}, url = {http://dx.doi.org/10.1016/0167-6911(87)90066-1}, doi = {10.1016/0167-6911(87)90066-1}, number = {5}, journal = {Systems {\&} Control Letters}, publisher = {Elsevier BV}, author = {Bartosiewicz, Zbigniew}, year = {1987}, month = {nov}, pages = {379–386}, date-added = {2024-10-11 14:16:14 +0100} }