@inproceedings{Gonthier_1992,
    doi = {10.1145/143165.143172},
    url = {https://doi.org/10.1145%2F143165.143172},
    year = {1992},
    publisher = {{ACM} Press},
    author = {Georges Gonthier and Mart{\'{\i}}n Abadi and Jean-Jacques L{\'{e}}vy},
    title = {The geometry of optimal lambda reduction},
    booktitle = {Proceedings of the 19th {ACM} {SIGPLAN}-{SIGACT} symposium on Principles of programming languages  - {POPL} {\textquotesingle}92}
}

@inproceedings{Gonthier_1992, doi = {10.1145/143165.143172}, url = {https://doi.org/10.1145%2F143165.143172}, year = {1992}, publisher = {{ACM} Press}, author = {Georges Gonthier and Mart{\'{\i}}n Abadi and Jean-Jacques L{\'{e}}vy}, title = {The geometry of optimal lambda reduction}, booktitle = {Proceedings of the 19th {ACM} {SIGPLAN}-{SIGACT} symposium on Principles of programming languages - {POPL} {\textquotesingle}92} }