@incollection{Kesner,
    doi = {10.1007/978-3-540-74915-8_20},
    url = {https://doi.org/10.1007%2F978-3-540-74915-8_20},
    publisher = {Springer Berlin Heidelberg},
    pages = {238--252},
    author = {Delia Kesner},
    title = {The Theory of Calculi with Explicit Substitutions Revisited},
    booktitle = {Computer Science Logic}
}

@incollection{Kesner, doi = {10.1007/978-3-540-74915-8_20}, url = {https://doi.org/10.1007%2F978-3-540-74915-8_20}, publisher = {Springer Berlin Heidelberg}, pages = {238--252}, author = {Delia Kesner}, title = {The Theory of Calculi with Explicit Substitutions Revisited}, booktitle = {Computer Science Logic} }