@article{Goldfarb1981225,
    Author = {Goldfarb, Warren D.},
    File = {The undecidability of the second-order unification problem - Goldfarb (0) (0) - a - a - y.pdf},
    ISSN = {0304-3975},
    Journal = {Theoretical Computer Science},
    Number = {2},
    Pages = {225 - 230},
    Title = {The undecidability of the second-order unification problem},
    URL = {http://www.sciencedirect.com/science/article/pii/0304397581900402},
    Volume = {13},
    Year = {1981},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/0304397581900402},
    bdsk-url-2 = {http://dx.doi.org/10.1016/0304-3975(81)90040-2},
    date-added = {2014-01-25 12:11:43 +0000},
    date-modified = {2014-01-25 12:11:43 +0000},
    doi = {10.1016/0304-3975(81)90040-2}
}

@article{Goldfarb1981225, Author = {Goldfarb, Warren D.}, File = {The undecidability of the second-order unification problem - Goldfarb (0) (0) - a - a - y.pdf}, ISSN = {0304-3975}, Journal = {Theoretical Computer Science}, Number = {2}, Pages = {225 - 230}, Title = {The undecidability of the second-order unification problem}, URL = {http://www.sciencedirect.com/science/article/pii/0304397581900402}, Volume = {13}, Year = {1981}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/0304397581900402}, bdsk-url-2 = {http://dx.doi.org/10.1016/0304-3975(81)90040-2}, date-added = {2014-01-25 12:11:43 +0000}, date-modified = {2014-01-25 12:11:43 +0000}, doi = {10.1016/0304-3975(81)90040-2} }