@article{DemriLazic:FreezeLTL:ACM09,
    Address = {New York, NY, USA},
    Author = {Demri, St{\'e}phane and Lazic, Ranko},
    File = {LTL with the freeze quantifier and register automata - Demri, Lazic (0) (0) - a - a - v.pdf},
    ISSN = {1529-3785},
    Journal = {ACM Trans. Comput. Logic},
    Keywords = {register automata and data automata},
    Month = {April},
    Number = {3},
    Pages = {16:1--16:30},
    Publisher = {ACM},
    Title = {LTL with the freeze quantifier and register automata},
    URL = {http://doi.acm.org/10.1145/1507244.1507246},
    Volume = {10},
    Year = {2009},
    acmid = {1507246},
    articleno = {16},
    bdsk-url-1 = {http://doi.acm.org/10.1145/1507244.1507246},
    bdsk-url-2 = {http://dx.doi.org/10.1145/1507244.1507246},
    date-added = {2012-12-04 21:47:19 +0000},
    date-modified = {2015-03-04 11:03:25 +0000},
    issue_date = {April 2009},
    numpages = {30},
    doi = {10.1145/1507244.1507246}
}

@article{DemriLazic:FreezeLTL:ACM09, Address = {New York, NY, USA}, Author = {Demri, St{\'e}phane and Lazic, Ranko}, File = {LTL with the freeze quantifier and register automata - Demri, Lazic (0) (0) - a - a - v.pdf}, ISSN = {1529-3785}, Journal = {ACM Trans. Comput. Logic}, Keywords = {register automata and data automata}, Month = {April}, Number = {3}, Pages = {16:1--16:30}, Publisher = {ACM}, Title = {LTL with the freeze quantifier and register automata}, URL = {http://doi.acm.org/10.1145/1507244.1507246}, Volume = {10}, Year = {2009}, acmid = {1507246}, articleno = {16}, bdsk-url-1 = {http://doi.acm.org/10.1145/1507244.1507246}, bdsk-url-2 = {http://dx.doi.org/10.1145/1507244.1507246}, date-added = {2012-12-04 21:47:19 +0000}, date-modified = {2015-03-04 11:03:25 +0000}, issue_date = {April 2009}, numpages = {30}, doi = {10.1145/1507244.1507246} }