@article{Johnson:2007:NCF:1240233.1240247,
    Address = {New York, NY, USA},
    Author = {Johnson, David S.},
    File = {3106d408ce58bb54fa441b4aded1d90815b6 (0) - a - a - f.pdf},
    ISSN = {1549-6325},
    Journal = {ACM Trans. Algorithms},
    Keywords = {Nash equilibrium, PLS, PPAD, fixed point, game theory, local search},
    Month = {May},
    Number = {2},
    Publisher = {ACM},
    Title = {The NP-completeness Column: Finding Needles in Haystacks},
    URL = {http://doi.acm.org/10.1145/1240233.1240247},
    Volume = {3},
    Year = {2007},
    acmid = {1240247},
    articleno = {24},
    bdsk-url-1 = {http://doi.acm.org/10.1145/1240233.1240247},
    bdsk-url-2 = {http://dx.doi.org/10.1145/1240233.1240247},
    date-added = {2017-03-01 17:20:45 +0000},
    date-modified = {2017-03-01 17:20:45 +0000},
    issue_date = {May 2007},
    doi = {10.1145/1240233.1240247}
}

@article{Johnson:2007:NCF:1240233.1240247, Address = {New York, NY, USA}, Author = {Johnson, David S.}, File = {3106d408ce58bb54fa441b4aded1d90815b6 (0) - a - a - f.pdf}, ISSN = {1549-6325}, Journal = {ACM Trans. Algorithms}, Keywords = {Nash equilibrium, PLS, PPAD, fixed point, game theory, local search}, Month = {May}, Number = {2}, Publisher = {ACM}, Title = {The NP-completeness Column: Finding Needles in Haystacks}, URL = {http://doi.acm.org/10.1145/1240233.1240247}, Volume = {3}, Year = {2007}, acmid = {1240247}, articleno = {24}, bdsk-url-1 = {http://doi.acm.org/10.1145/1240233.1240247}, bdsk-url-2 = {http://dx.doi.org/10.1145/1240233.1240247}, date-added = {2017-03-01 17:20:45 +0000}, date-modified = {2017-03-01 17:20:45 +0000}, issue_date = {May 2007}, doi = {10.1145/1240233.1240247} }