@article{Baeten:2007:CRE:1219092.1219094,
    Address = {New York, NY, USA},
    Author = {Baeten, J. C. M. and Corradini, F. and Grabmayer, C. A.},
    File = {baeten2007 (0) - a - a - r.pdf},
    ISSN = {0004-5411},
    Journal = {J. ACM},
    Keywords = {Bisimulation equivalence, regular expressions},
    Month = {April},
    Number = {2},
    Publisher = {ACM},
    Title = {A Characterization of Regular Expressions Under Bisimulation},
    URL = {http://doi.acm.org/10.1145/1219092.1219094},
    Volume = {54},
    Year = {2007},
    acmid = {1219094},
    articleno = {6},
    bdsk-url-1 = {http://doi.acm.org/10.1145/1219092.1219094},
    bdsk-url-2 = {https://doi.org/10.1145/1219092.1219094},
    date-added = {2019-07-26 11:17:40 +0200},
    date-modified = {2019-07-26 11:17:40 +0200},
    issue_date = {April 2007},
    doi = {10.1145/1219092.1219094}
}

@article{Baeten:2007:CRE:1219092.1219094, Address = {New York, NY, USA}, Author = {Baeten, J. C. M. and Corradini, F. and Grabmayer, C. A.}, File = {baeten2007 (0) - a - a - r.pdf}, ISSN = {0004-5411}, Journal = {J. ACM}, Keywords = {Bisimulation equivalence, regular expressions}, Month = {April}, Number = {2}, Publisher = {ACM}, Title = {A Characterization of Regular Expressions Under Bisimulation}, URL = {http://doi.acm.org/10.1145/1219092.1219094}, Volume = {54}, Year = {2007}, acmid = {1219094}, articleno = {6}, bdsk-url-1 = {http://doi.acm.org/10.1145/1219092.1219094}, bdsk-url-2 = {https://doi.org/10.1145/1219092.1219094}, date-added = {2019-07-26 11:17:40 +0200}, date-modified = {2019-07-26 11:17:40 +0200}, issue_date = {April 2007}, doi = {10.1145/1219092.1219094} }