@article{Demri_2015,
    doi = {10.1016/j.ic.2015.03.007},
    url = {https://doi.org/10.1016%2Fj.ic.2015.03.007},
    year = {2015},
    month = {jun},
    publisher = {Elsevier {BV}},
    volume = {242},
    pages = {306--339},
    author = {St{\'{e}}phane Demri and Amit Kumar Dhar and Arnaud Sangnier},
    title = {Taming past {LTL} and flat counter systems},
    journal = {Information and Computation}
}

@article{Demri_2015, doi = {10.1016/j.ic.2015.03.007}, url = {https://doi.org/10.1016%2Fj.ic.2015.03.007}, year = {2015}, month = {jun}, publisher = {Elsevier {BV}}, volume = {242}, pages = {306--339}, author = {St{\'{e}}phane Demri and Amit Kumar Dhar and Arnaud Sangnier}, title = {Taming past {LTL} and flat counter systems}, journal = {Information and Computation} }