@article{Abdulla_2017,
    doi = {10.1145/3073408},
    url = {https://doi.org/10.1145%2F3073408},
    year = {2017},
    month = {aug},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {64},
    number = {4},
    pages = {1--49},
    author = {Parosh Aziz Abdulla and Stavros Aronis and Bengt Jonsson and Konstantinos Sagonas},
    title = {Source Sets},
    journal = {Journal of the {ACM}}
}

@article{Abdulla_2017, doi = {10.1145/3073408}, url = {https://doi.org/10.1145%2F3073408}, year = {2017}, month = {aug}, publisher = {Association for Computing Machinery ({ACM})}, volume = {64}, number = {4}, pages = {1--49}, author = {Parosh Aziz Abdulla and Stavros Aronis and Bengt Jonsson and Konstantinos Sagonas}, title = {Source Sets}, journal = {Journal of the {ACM}} }