@incollection{Gastin_2019,
    doi = {10.1007/978-3-030-21363-3_1},
    url = {https://doi.org/10.1007%2F978-3-030-21363-3_1},
    year = {2019},
    publisher = {Springer International Publishing},
    pages = {3--9},
    author = {Paul Gastin},
    title = {Modular Descriptions of Regular Functions},
    booktitle = {Algebraic Informatics}
}

@incollection{Gastin_2019, doi = {10.1007/978-3-030-21363-3_1}, url = {https://doi.org/10.1007%2F978-3-030-21363-3_1}, year = {2019}, publisher = {Springer International Publishing}, pages = {3--9}, author = {Paul Gastin}, title = {Modular Descriptions of Regular Functions}, booktitle = {Algebraic Informatics} }