@article{Rosenkrantz_1970,
    doi = {10.1016/s0019-9958(70)90446-8},
    url = {https://doi.org/10.1016%2Fs0019-9958%2870%2990446-8},
    year = {1970},
    month = {oct},
    publisher = {Elsevier {BV}},
    volume = {17},
    number = {3},
    pages = {226--256},
    author = {D.J. Rosenkrantz and R.E. Stearns},
    title = {Properties of deterministic top-down grammars},
    journal = {Information and Control}
}

@article{Rosenkrantz_1970, doi = {10.1016/s0019-9958(70)90446-8}, url = {https://doi.org/10.1016%2Fs0019-9958%2870%2990446-8}, year = {1970}, month = {oct}, publisher = {Elsevier {BV}}, volume = {17}, number = {3}, pages = {226--256}, author = {D.J. Rosenkrantz and R.E. Stearns}, title = {Properties of deterministic top-down grammars}, journal = {Information and Control} }