@article{Asperti_2007,
    doi = {10.1007/s10817-007-9070-5},
    url = {https://doi.org/10.1007%2Fs10817-007-9070-5},
    year = {2007},
    month = {jun},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {39},
    number = {2},
    pages = {109--139},
    author = {Andrea Asperti and Claudio Sacerdoti Coen and Enrico Tassi and Stefano Zacchiroli},
    title = {User Interaction with the Matita Proof Assistant},
    journal = {Journal of Automated Reasoning}
}

@article{Asperti_2007, doi = {10.1007/s10817-007-9070-5}, url = {https://doi.org/10.1007%2Fs10817-007-9070-5}, year = {2007}, month = {jun}, publisher = {Springer Science and Business Media {LLC}}, volume = {39}, number = {2}, pages = {109--139}, author = {Andrea Asperti and Claudio Sacerdoti Coen and Enrico Tassi and Stefano Zacchiroli}, title = {User Interaction with the Matita Proof Assistant}, journal = {Journal of Automated Reasoning} }