@inproceedings{DeMillo_1977,
    doi = {10.1145/512950.512970},
    url = {https://doi.org/10.1145%2F512950.512970},
    year = {1977},
    publisher = {{ACM} Press},
    author = {Richard A. DeMillo and Richard J. Lipton and Alan J. Perlis},
    title = {Social processes and proofs of theorems and programs},
    booktitle = {Proceedings of the 4th {ACM} {SIGACT}-{SIGPLAN} symposium on Principles of programming languages  - {POPL} {\textquotesingle}77}
}

@inproceedings{DeMillo_1977, doi = {10.1145/512950.512970}, url = {https://doi.org/10.1145%2F512950.512970}, year = {1977}, publisher = {{ACM} Press}, author = {Richard A. DeMillo and Richard J. Lipton and Alan J. Perlis}, title = {Social processes and proofs of theorems and programs}, booktitle = {Proceedings of the 4th {ACM} {SIGACT}-{SIGPLAN} symposium on Principles of programming languages - {POPL} {\textquotesingle}77} }