@article{Chatzidakis_1999,
    doi = {10.1090/s0002-9947-99-02498-8},
    url = {https://doi.org/10.1090%2Fs0002-9947-99-02498-8},
    year = {1999},
    month = {apr},
    publisher = {American Mathematical Society ({AMS})},
    volume = {351},
    number = {8},
    pages = {2997--3071},
    author = {Zo{\'{e}} Chatzidakis and Ehud Hrushovski},
    title = {Model theory of difference fields},
    journal = {Transactions of the American Mathematical Society}
}

@article{Chatzidakis_1999, doi = {10.1090/s0002-9947-99-02498-8}, url = {https://doi.org/10.1090%2Fs0002-9947-99-02498-8}, year = {1999}, month = {apr}, publisher = {American Mathematical Society ({AMS})}, volume = {351}, number = {8}, pages = {2997--3071}, author = {Zo{\'{e}} Chatzidakis and Ehud Hrushovski}, title = {Model theory of difference fields}, journal = {Transactions of the American Mathematical Society} }