@inproceedings{Caspi_1987,
    doi = {10.1145/41625.41641},
    url = {https://doi.org/10.1145%2F41625.41641},
    year = {1987},
    publisher = {{ACM} Press},
    author = {P. Caspi and D. Pilaud and N. Halbwachs and J. A. Plaice},
    title = {{LUSTRE}: a declarative language for real-time programming},
    booktitle = {Proceedings of the 14th {ACM} {SIGACT}-{SIGPLAN} symposium on Principles of programming languages  - {POPL} {\textquotesingle}87}
}

@inproceedings{Caspi_1987, doi = {10.1145/41625.41641}, url = {https://doi.org/10.1145%2F41625.41641}, year = {1987}, publisher = {{ACM} Press}, author = {P. Caspi and D. Pilaud and N. Halbwachs and J. A. Plaice}, title = {{LUSTRE}: a declarative language for real-time programming}, booktitle = {Proceedings of the 14th {ACM} {SIGACT}-{SIGPLAN} symposium on Principles of programming languages - {POPL} {\textquotesingle}87} }