@inproceedings{Ouaknine_2004,
    doi = {10.1109/lics.2004.1319600},
    url = {https://doi.org/10.1109%2Flics.2004.1319600},
    year = {2004},
    publisher = {{IEEE}},
    author = {J. Ouaknine and J. Worrell},
    title = {On the language inclusion problem for timed automata: closing a decidability gap},
    booktitle = {Proceedings of the 19th Annual {IEEE} Symposium on Logic in Computer Science, 2004.}
}

@inproceedings{Ouaknine_2004, doi = {10.1109/lics.2004.1319600}, url = {https://doi.org/10.1109%2Flics.2004.1319600}, year = {2004}, publisher = {{IEEE}}, author = {J. Ouaknine and J. Worrell}, title = {On the language inclusion problem for timed automata: closing a decidability gap}, booktitle = {Proceedings of the 19th Annual {IEEE} Symposium on Logic in Computer Science, 2004.} }