@article{Torre_2016,
    doi = {10.1142/s0129054116400074},
    url = {https://doi.org/10.1142%2Fs0129054116400074},
    year = {2016},
    month = {feb},
    publisher = {World Scientific Pub Co Pte Ltd},
    volume = {27},
    number = {02},
    pages = {215--233},
    author = {Salvatore La Torre and Margherita Napoli and Gennaro Parlato},
    title = {Scope-Bounded Pushdown Languages},
    journal = {International Journal of Foundations of Computer Science}
}

@article{Torre_2016, doi = {10.1142/s0129054116400074}, url = {https://doi.org/10.1142%2Fs0129054116400074}, year = {2016}, month = {feb}, publisher = {World Scientific Pub Co Pte Ltd}, volume = {27}, number = {02}, pages = {215--233}, author = {Salvatore La Torre and Margherita Napoli and Gennaro Parlato}, title = {Scope-Bounded Pushdown Languages}, journal = {International Journal of Foundations of Computer Science} }