@article{Melski_1997,
    doi = {10.1145/258994.259006},
    url = {https://doi.org/10.1145%2F258994.259006},
    year = {1997},
    month = {dec},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {32},
    number = {12},
    pages = {74--89},
    author = {David Melski and Thomas Reps},
    title = {Interconvertbility of set constraints and context-free language reachability},
    journal = {{ACM} {SIGPLAN} Notices}
}

@article{Melski_1997, doi = {10.1145/258994.259006}, url = {https://doi.org/10.1145%2F258994.259006}, year = {1997}, month = {dec}, publisher = {Association for Computing Machinery ({ACM})}, volume = {32}, number = {12}, pages = {74--89}, author = {David Melski and Thomas Reps}, title = {Interconvertbility of set constraints and context-free language reachability}, journal = {{ACM} {SIGPLAN} Notices} }