@incollection{Barthe_2001,
    doi = {10.1007/3-540-45315-6_4},
    url = {https://doi.org/10.1007%2F3-540-45315-6_4},
    year = {2001},
    publisher = {Springer Berlin Heidelberg},
    pages = {57--71},
    author = {Gilles Barthe and Olivier Pons},
    title = {Type Isomorphisms and Proof Reuse in Dependent Type Theory},
    booktitle = {Lecture Notes in Computer Science}
}

@incollection{Barthe_2001, doi = {10.1007/3-540-45315-6_4}, url = {https://doi.org/10.1007%2F3-540-45315-6_4}, year = {2001}, publisher = {Springer Berlin Heidelberg}, pages = {57--71}, author = {Gilles Barthe and Olivier Pons}, title = {Type Isomorphisms and Proof Reuse in Dependent Type Theory}, booktitle = {Lecture Notes in Computer Science} }