@article{Choffrut_1977,
    doi = {10.1016/0304-3975(77)90049-4},
    url = {https://doi.org/10.1016%2F0304-3975%2877%2990049-4},
    year = {1977},
    month = {dec},
    publisher = {Elsevier {BV}},
    volume = {5},
    number = {3},
    pages = {325--337},
    author = {Christian Choffrut},
    title = {Une caracterisation des fonctions sequentielles et des fonctions sous-sequentielles en tant que relations rationnelles},
    journal = {Theoretical Computer Science}
}

@article{Choffrut_1977, doi = {10.1016/0304-3975(77)90049-4}, url = {https://doi.org/10.1016%2F0304-3975%2877%2990049-4}, year = {1977}, month = {dec}, publisher = {Elsevier {BV}}, volume = {5}, number = {3}, pages = {325--337}, author = {Christian Choffrut}, title = {Une caracterisation des fonctions sequentielles et des fonctions sous-sequentielles en tant que relations rationnelles}, journal = {Theoretical Computer Science} }