@article{Tasistro_2015,
    doi = {10.1016/j.entcs.2015.04.013},
    url = {https://doi.org/10.1016%2Fj.entcs.2015.04.013},
    year = {2015},
    month = {apr},
    publisher = {Elsevier {BV}},
    volume = {312},
    pages = {215--230},
    author = {{\'{A}}lvaro Tasistro and Ernesto Copello and Nora Szasz},
    title = {Formalisation in Constructive Type Theory of Stoughton{\textquotesingle}s Substitution for the Lambda Calculus},
    journal = {Electronic Notes in Theoretical Computer Science}
}

@article{Tasistro_2015, doi = {10.1016/j.entcs.2015.04.013}, url = {https://doi.org/10.1016%2Fj.entcs.2015.04.013}, year = {2015}, month = {apr}, publisher = {Elsevier {BV}}, volume = {312}, pages = {215--230}, author = {{\'{A}}lvaro Tasistro and Ernesto Copello and Nora Szasz}, title = {Formalisation in Constructive Type Theory of Stoughton{\textquotesingle}s Substitution for the Lambda Calculus}, journal = {Electronic Notes in Theoretical Computer Science} }