@incollection{Boyer_1994,
    doi = {10.1007/3-540-58156-1_17},
    url = {https://doi.org/10.1007%2F3-540-58156-1_17},
    year = {1994},
    publisher = {Springer Berlin Heidelberg},
    pages = {237--251},
    author = {Robert S. Boyer},
    title = {A mechanically proof-checked encyclopedia of mathematics: Should we build one? Can we?},
    booktitle = {Automated Deduction - {CADE}-12}
}

@incollection{Boyer_1994, doi = {10.1007/3-540-58156-1_17}, url = {https://doi.org/10.1007%2F3-540-58156-1_17}, year = {1994}, publisher = {Springer Berlin Heidelberg}, pages = {237--251}, author = {Robert S. Boyer}, title = {A mechanically proof-checked encyclopedia of mathematics: Should we build one? Can we?}, booktitle = {Automated Deduction - {CADE}-12} }