@article{ChandraKozenStockmeyere:JACM:1981,
    Address = {New York, NY, USA},
    Author = {Chandra, Ashok K. and Kozen, Dexter C. and Stockmeyer, Larry J.},
    File = {Alternation - Chandra, Kozen, Stockmeyer (0) (0) - a - a - y.pdf},
    ISSN = {0004-5411},
    Journal = {J. ACM},
    Keywords = {alternating automata},
    Month = {January},
    Number = {1},
    Pages = {114--133},
    Publisher = {ACM},
    Title = {Alternation},
    URL = {http://doi.acm.org/10.1145/322234.322243},
    Volume = {28},
    Year = {1981},
    acmid = {322243},
    bdsk-url-1 = {http://doi.acm.org/10.1145/322234.322243},
    bdsk-url-2 = {http://dx.doi.org/10.1145/322234.322243},
    date-added = {2012-09-12 20:15:36 +0200},
    date-modified = {2019-08-16 10:36:53 +0200},
    issue_date = {Jan. 1981},
    numpages = {20},
    doi = {10.1145/322234.322243}
}

@article{ChandraKozenStockmeyere:JACM:1981, Address = {New York, NY, USA}, Author = {Chandra, Ashok K. and Kozen, Dexter C. and Stockmeyer, Larry J.}, File = {Alternation - Chandra, Kozen, Stockmeyer (0) (0) - a - a - y.pdf}, ISSN = {0004-5411}, Journal = {J. ACM}, Keywords = {alternating automata}, Month = {January}, Number = {1}, Pages = {114--133}, Publisher = {ACM}, Title = {Alternation}, URL = {http://doi.acm.org/10.1145/322234.322243}, Volume = {28}, Year = {1981}, acmid = {322243}, bdsk-url-1 = {http://doi.acm.org/10.1145/322234.322243}, bdsk-url-2 = {http://dx.doi.org/10.1145/322234.322243}, date-added = {2012-09-12 20:15:36 +0200}, date-modified = {2019-08-16 10:36:53 +0200}, issue_date = {Jan. 1981}, numpages = {20}, doi = {10.1145/322234.322243} }