@article{Tripakis:2009:CTB:1507244.1507245,
    Address = {New York, NY, USA},
    Author = {Tripakis, Stavros},
    File = {Checking timed Buchi automata emptiness on simulation graphs - Tripakis (0) (0) - a - a - n.pdf},
    ISSN = {1529-3785},
    Issue = {3},
    Journal = {ACM Trans. Comput. Logic},
    Keywords = {timed automata},
    Month = {April},
    Pages = {15:1--15:19},
    Publisher = {ACM},
    Title = {Checking timed Buchi automata emptiness on simulation graphs},
    URL = {http://doi.acm.org/10.1145/1507244.1507245},
    Volume = {10},
    Year = {2009},
    acmid = {1507245},
    articleno = {15},
    bdsk-url-1 = {http://doi.acm.org/10.1145/1507244.1507245},
    date-added = {2012-03-05 11:51:42 +0100},
    date-modified = {2012-06-29 10:32:33 +0000},
    issue_date = {April 2009},
    numpages = {19},
    doi = {10.1145/1507244.1507245}
}

@article{Tripakis:2009:CTB:1507244.1507245, Address = {New York, NY, USA}, Author = {Tripakis, Stavros}, File = {Checking timed Buchi automata emptiness on simulation graphs - Tripakis (0) (0) - a - a - n.pdf}, ISSN = {1529-3785}, Issue = {3}, Journal = {ACM Trans. Comput. Logic}, Keywords = {timed automata}, Month = {April}, Pages = {15:1--15:19}, Publisher = {ACM}, Title = {Checking timed Buchi automata emptiness on simulation graphs}, URL = {http://doi.acm.org/10.1145/1507244.1507245}, Volume = {10}, Year = {2009}, acmid = {1507245}, articleno = {15}, bdsk-url-1 = {http://doi.acm.org/10.1145/1507244.1507245}, date-added = {2012-03-05 11:51:42 +0100}, date-modified = {2012-06-29 10:32:33 +0000}, issue_date = {April 2009}, numpages = {19}, doi = {10.1145/1507244.1507245} }