@inproceedings{Huynh:1985:CEP:22145.22190,
    Address = {New York, NY, USA},
    Author = {Huynh, D T},
    BookTitle = {Proceedings of the seventeenth annual ACM symposium on Theory of computing},
    File = {The complexity of the equivalence problem for commutative semigroups and symmetric vector addition systems - Huynh (0) (0) - a - a - b.pdf},
    ISBN = {0-89791-151-2},
    Keywords = {vector addition systems},
    Location = {Providence, Rhode Island, USA},
    Pages = {405--412},
    Publisher = {ACM},
    Series = {STOC '85},
    Title = {The complexity of the equivalence problem for commutative semigroups and symmetric vector addition systems},
    URL = {http://doi.acm.org/10.1145/22145.22190},
    Year = {1985},
    acmid = {22190},
    bdsk-url-1 = {http://doi.acm.org/10.1145/22145.22190},
    bdsk-url-2 = {http://dx.doi.org/10.1145/22145.22190},
    date-added = {2013-11-11 14:06:33 +0000},
    date-modified = {2013-11-11 14:19:25 +0000},
    numpages = {8},
    doi = {10.1145/22145.22190}
}

@inproceedings{Huynh:1985:CEP:22145.22190, Address = {New York, NY, USA}, Author = {Huynh, D T}, BookTitle = {Proceedings of the seventeenth annual ACM symposium on Theory of computing}, File = {The complexity of the equivalence problem for commutative semigroups and symmetric vector addition systems - Huynh (0) (0) - a - a - b.pdf}, ISBN = {0-89791-151-2}, Keywords = {vector addition systems}, Location = {Providence, Rhode Island, USA}, Pages = {405--412}, Publisher = {ACM}, Series = {STOC '85}, Title = {The complexity of the equivalence problem for commutative semigroups and symmetric vector addition systems}, URL = {http://doi.acm.org/10.1145/22145.22190}, Year = {1985}, acmid = {22190}, bdsk-url-1 = {http://doi.acm.org/10.1145/22145.22190}, bdsk-url-2 = {http://dx.doi.org/10.1145/22145.22190}, date-added = {2013-11-11 14:06:33 +0000}, date-modified = {2013-11-11 14:19:25 +0000}, numpages = {8}, doi = {10.1145/22145.22190} }