@article{Rajlich_1972,
    doi = {10.1016/s0022-0000(72)80025-4},
    url = {https://doi.org/10.1016%2Fs0022-0000%2872%2980025-4},
    year = {1972},
    month = {aug},
    publisher = {Elsevier {BV}},
    volume = {6},
    number = {4},
    pages = {324--342},
    author = {Vaclav Rajlich},
    title = {Absolutely parallel grammars and two-way finite-state transducers},
    journal = {Journal of Computer and System Sciences}
}

@article{Rajlich_1972, doi = {10.1016/s0022-0000(72)80025-4}, url = {https://doi.org/10.1016%2Fs0022-0000%2872%2980025-4}, year = {1972}, month = {aug}, publisher = {Elsevier {BV}}, volume = {6}, number = {4}, pages = {324--342}, author = {Vaclav Rajlich}, title = {Absolutely parallel grammars and two-way finite-state transducers}, journal = {Journal of Computer and System Sciences} }