@article{Sistla_1985,
    doi = {10.1145/3828.3837},
    url = {https://doi.org/10.1145%2F3828.3837},
    year = {1985},
    month = {jul},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {32},
    number = {3},
    pages = {733--749},
    author = {A. P. Sistla and E. M. Clarke},
    title = {The complexity of propositional linear temporal logics},
    journal = {Journal of the {ACM}}
}

@article{Sistla_1985, doi = {10.1145/3828.3837}, url = {https://doi.org/10.1145%2F3828.3837}, year = {1985}, month = {jul}, publisher = {Association for Computing Machinery ({ACM})}, volume = {32}, number = {3}, pages = {733--749}, author = {A. P. Sistla and E. M. Clarke}, title = {The complexity of propositional linear temporal logics}, journal = {Journal of the {ACM}} }