@article{To:2009:UFA:1570544.1570796,
    Address = {Amsterdam, The Netherlands, The Netherlands},
    Author = {To, Anthony Widjaja},
    File = {Unary Finite Automata vs. Arithmetic Progressions - To (0) (0) - a - a - i.pdf},
    ISSN = {0020-0190},
    Journal = {Inf. Process. Lett.},
    Keywords = {Algorithms, Arithmetic progressions, Formal languages, Unary languages},
    Month = {August},
    Number = {17},
    Pages = {1010--1014},
    Publisher = {Elsevier North-Holland, Inc.},
    Title = {Unary Finite Automata vs. Arithmetic Progressions},
    URL = {http://dx.doi.org/10.1016/j.ipl.2009.06.005},
    Volume = {109},
    Year = {2009},
    acmid = {1570796},
    bdsk-url-1 = {http://dx.doi.org/10.1016/j.ipl.2009.06.005},
    date-added = {2014-01-23 10:31:29 +0000},
    date-modified = {2014-01-23 10:31:29 +0000},
    file-2 = {Unary Finite Automata vs. Arithmetic Progressions - To (1) (0) - a - a - i.pdf},
    issue_date = {August, 2009},
    numpages = {5},
    doi = {10.1016/j.ipl.2009.06.005}
}

@article{To:2009:UFA:1570544.1570796, Address = {Amsterdam, The Netherlands, The Netherlands}, Author = {To, Anthony Widjaja}, File = {Unary Finite Automata vs. Arithmetic Progressions - To (0) (0) - a - a - i.pdf}, ISSN = {0020-0190}, Journal = {Inf. Process. Lett.}, Keywords = {Algorithms, Arithmetic progressions, Formal languages, Unary languages}, Month = {August}, Number = {17}, Pages = {1010--1014}, Publisher = {Elsevier North-Holland, Inc.}, Title = {Unary Finite Automata vs. Arithmetic Progressions}, URL = {http://dx.doi.org/10.1016/j.ipl.2009.06.005}, Volume = {109}, Year = {2009}, acmid = {1570796}, bdsk-url-1 = {http://dx.doi.org/10.1016/j.ipl.2009.06.005}, date-added = {2014-01-23 10:31:29 +0000}, date-modified = {2014-01-23 10:31:29 +0000}, file-2 = {Unary Finite Automata vs. Arithmetic Progressions - To (1) (0) - a - a - i.pdf}, issue_date = {August, 2009}, numpages = {5}, doi = {10.1016/j.ipl.2009.06.005} }