@article{JancarSawa:Alternating:2007,
    Author = {Jančar, Petr and Sawa, Zdenek},
    File = {A note on emptiness for alternating finite automata with a one-letter alphabet - Jancar, Sawa (0) (0) (0) - a - a - p.pdf},
    ISSN = {0020-0190},
    Journal = {Information Processing Letters},
    Number = {5},
    Pages = {164 - 167},
    Title = {A note on emptiness for alternating finite automata with a one-letter alphabet},
    URL = {http://www.sciencedirect.com/science/article/pii/S0020019007001597},
    Volume = {104},
    Year = {2007},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0020019007001597},
    bdsk-url-2 = {http://dx.doi.org/10.1016/j.ipl.2007.06.006},
    date-added = {2012-09-13 12:04:06 +0200},
    date-modified = {2012-09-13 10:04:06 +0000},
    doi = {10.1016/j.ipl.2007.06.006}
}

@article{JancarSawa:Alternating:2007, Author = {Jančar, Petr and Sawa, Zdenek}, File = {A note on emptiness for alternating finite automata with a one-letter alphabet - Jancar, Sawa (0) (0) (0) - a - a - p.pdf}, ISSN = {0020-0190}, Journal = {Information Processing Letters}, Number = {5}, Pages = {164 - 167}, Title = {A note on emptiness for alternating finite automata with a one-letter alphabet}, URL = {http://www.sciencedirect.com/science/article/pii/S0020019007001597}, Volume = {104}, Year = {2007}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0020019007001597}, bdsk-url-2 = {http://dx.doi.org/10.1016/j.ipl.2007.06.006}, date-added = {2012-09-13 12:04:06 +0200}, date-modified = {2012-09-13 10:04:06 +0000}, doi = {10.1016/j.ipl.2007.06.006} }