@article{Crolard_2001,
    doi = {10.1016/s0304-3975(99)00124-3},
    url = {https://doi.org/10.1016%2Fs0304-3975%2899%2900124-3},
    year = {2001},
    month = {mar},
    publisher = {Elsevier {BV}},
    volume = {254},
    number = {1-2},
    pages = {151--185},
    author = {Tristan Crolard},
    title = {Subtractive logic},
    journal = {Theoretical Computer Science}
}

@article{Crolard_2001, doi = {10.1016/s0304-3975(99)00124-3}, url = {https://doi.org/10.1016%2Fs0304-3975%2899%2900124-3}, year = {2001}, month = {mar}, publisher = {Elsevier {BV}}, volume = {254}, number = {1-2}, pages = {151--185}, author = {Tristan Crolard}, title = {Subtractive logic}, journal = {Theoretical Computer Science} }