@article{Mera:2005:CUN:1065062.1065075,
    Address = {Essex, UK},
    Author = {Mera, Filippo and Pighizzini, Giovanni},
    File = {Complementing Unary Nondeterministic Automata - Mera, Pighizzini (0) (0) - a - a - n.pdf},
    ISSN = {0304-3975},
    Journal = {Theor. Comput. Sci.},
    Keywords = {complementation, descriptional complexity, finite state automata, formal languages, unary languages},
    Month = {February},
    Number = {2},
    Pages = {349--360},
    Publisher = {Elsevier Science Publishers Ltd.},
    Title = {Complementing Unary Nondeterministic Automata},
    URL = {http://dx.doi.org/10.1016/j.tcs.2004.04.015},
    Volume = {330},
    Year = {2005},
    acmid = {1065075},
    bdsk-url-1 = {http://dx.doi.org/10.1016/j.tcs.2004.04.015},
    date-added = {2014-01-23 10:37:27 +0000},
    date-modified = {2014-01-23 10:37:27 +0000},
    issue_date = {2 February 2005},
    numpages = {12},
    doi = {10.1016/j.tcs.2004.04.015}
}

@article{Mera:2005:CUN:1065062.1065075, Address = {Essex, UK}, Author = {Mera, Filippo and Pighizzini, Giovanni}, File = {Complementing Unary Nondeterministic Automata - Mera, Pighizzini (0) (0) - a - a - n.pdf}, ISSN = {0304-3975}, Journal = {Theor. Comput. Sci.}, Keywords = {complementation, descriptional complexity, finite state automata, formal languages, unary languages}, Month = {February}, Number = {2}, Pages = {349--360}, Publisher = {Elsevier Science Publishers Ltd.}, Title = {Complementing Unary Nondeterministic Automata}, URL = {http://dx.doi.org/10.1016/j.tcs.2004.04.015}, Volume = {330}, Year = {2005}, acmid = {1065075}, bdsk-url-1 = {http://dx.doi.org/10.1016/j.tcs.2004.04.015}, date-added = {2014-01-23 10:37:27 +0000}, date-modified = {2014-01-23 10:37:27 +0000}, issue_date = {2 February 2005}, numpages = {12}, doi = {10.1016/j.tcs.2004.04.015} }