@article{McNaughton_1988,
    doi = {10.1145/42282.42284},
    url = {https://doi.org/10.1145%2F42282.42284},
    year = {1988},
    month = {apr},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {35},
    number = {2},
    pages = {324--344},
    author = {Robert McNaughton and Paliath Narendran and Friedrich Otto},
    title = {Church-Rosser Thue systems and formal languages},
    journal = {Journal of the {ACM}}
}

@article{McNaughton_1988, doi = {10.1145/42282.42284}, url = {https://doi.org/10.1145%2F42282.42284}, year = {1988}, month = {apr}, publisher = {Association for Computing Machinery ({ACM})}, volume = {35}, number = {2}, pages = {324--344}, author = {Robert McNaughton and Paliath Narendran and Friedrich Otto}, title = {Church-Rosser Thue systems and formal languages}, journal = {Journal of the {ACM}} }