@article{Huy1992127,
    Author = {Huy, Phan Trung and Livotsky, Igor and Van, Do Long},
    File = {Which finite monoids are syntactic monoids of rational omega-languages - Huy, Livotsky, Van (0) (0) - a - a - b.pdf},
    ISSN = {0020-0190},
    Journal = {Information Processing Letters},
    Keywords = {syntactic congruence},
    Number = {3},
    Pages = {127 - 132},
    Title = {Which finite monoids are syntactic monoids of rational omega-languages},
    URL = {http://www.sciencedirect.com/science/article/pii/002001909290135I},
    Volume = {42},
    Year = {1992},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/002001909290135I},
    bdsk-url-2 = {http://dx.doi.org/10.1016/0020-0190(92)90135-I},
    date-added = {2012-03-07 16:51:23 +0100},
    date-modified = {2012-03-07 15:51:37 +0000},
    doi = {10.1016/0020-0190(92)90135-I}
}

@article{Huy1992127, Author = {Huy, Phan Trung and Livotsky, Igor and Van, Do Long}, File = {Which finite monoids are syntactic monoids of rational omega-languages - Huy, Livotsky, Van (0) (0) - a - a - b.pdf}, ISSN = {0020-0190}, Journal = {Information Processing Letters}, Keywords = {syntactic congruence}, Number = {3}, Pages = {127 - 132}, Title = {Which finite monoids are syntactic monoids of rational omega-languages}, URL = {http://www.sciencedirect.com/science/article/pii/002001909290135I}, Volume = {42}, Year = {1992}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/002001909290135I}, bdsk-url-2 = {http://dx.doi.org/10.1016/0020-0190(92)90135-I}, date-added = {2012-03-07 16:51:23 +0100}, date-modified = {2012-03-07 15:51:37 +0000}, doi = {10.1016/0020-0190(92)90135-I} }