@article{Ko_cielski_1996,
    doi = {10.1145/234533.234543},
    url = {https://doi.org/10.1145%2F234533.234543},
    year = {1996},
    month = {jul},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {43},
    number = {4},
    pages = {670--684},
    author = {Antoni Ko{\'{s}}cielski and Leszek Pacholski},
    title = {Complexity of Makanin{\textquotesingle}s algorithm},
    journal = {Journal of the {ACM}}
}

@article{Ko_cielski_1996, doi = {10.1145/234533.234543}, url = {https://doi.org/10.1145%2F234533.234543}, year = {1996}, month = {jul}, publisher = {Association for Computing Machinery ({ACM})}, volume = {43}, number = {4}, pages = {670--684}, author = {Antoni Ko{\'{s}}cielski and Leszek Pacholski}, title = {Complexity of Makanin{\textquotesingle}s algorithm}, journal = {Journal of the {ACM}} }