@article{Bonet_2004,
    doi = {10.1007/s00037-004-0183-5},
    url = {https://doi.org/10.1007%2Fs00037-004-0183-5},
    year = {2004},
    month = {dec},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {13},
    number = {1-2},
    pages = {47--68},
    author = {Maria Luisa Bonet and Carlos Domingo and Ricard Gavaldà and Alexis Maciel and Toniann Pitassi},
    title = {Non-Automatizability of Bounded-Depth Frege Proofs},
    journal = {computational complexity}
}

@article{Bonet_2004, doi = {10.1007/s00037-004-0183-5}, url = {https://doi.org/10.1007%2Fs00037-004-0183-5}, year = {2004}, month = {dec}, publisher = {Springer Science and Business Media {LLC}}, volume = {13}, number = {1-2}, pages = {47--68}, author = {Maria Luisa Bonet and Carlos Domingo and Ricard Gavaldà and Alexis Maciel and Toniann Pitassi}, title = {Non-Automatizability of Bounded-Depth Frege Proofs}, journal = {computational complexity} }