@article{Pin_2005,
    doi = {10.1016/j.tcs.2005.03.029},
    url = {https://doi.org/10.1016%2Fj.tcs.2005.03.029},
    year = {2005},
    month = {jun},
    publisher = {Elsevier {BV}},
    volume = {340},
    number = {2},
    pages = {443--456},
    author = {Jean-{\'{E}}ric Pin and Pedro V. Silva},
    title = {A topological approach to transductions},
    journal = {Theoretical Computer Science}
}

@article{Pin_2005, doi = {10.1016/j.tcs.2005.03.029}, url = {https://doi.org/10.1016%2Fj.tcs.2005.03.029}, year = {2005}, month = {jun}, publisher = {Elsevier {BV}}, volume = {340}, number = {2}, pages = {443--456}, author = {Jean-{\'{E}}ric Pin and Pedro V. Silva}, title = {A topological approach to transductions}, journal = {Theoretical Computer Science} }