@article{Chonev_2016,
    doi = {10.1145/2857050},
    url = {https://doi.org/10.1145%2F2857050},
    year = {2016},
    month = {jun},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {63},
    number = {3},
    pages = {1--18},
    author = {Ventsislav Chonev and Joël Ouaknine and James Worrell},
    title = {On the Complexity of the Orbit Problem},
    journal = {Journal of the {ACM}}
}

@article{Chonev_2016, doi = {10.1145/2857050}, url = {https://doi.org/10.1145%2F2857050}, year = {2016}, month = {jun}, publisher = {Association for Computing Machinery ({ACM})}, volume = {63}, number = {3}, pages = {1--18}, author = {Ventsislav Chonev and Joël Ouaknine and James Worrell}, title = {On the Complexity of the Orbit Problem}, journal = {Journal of the {ACM}} }