@article{Kozik:2008:FSF:1450344.1450536,
    Address = {Essex, UK},
    Author = {Kozik, Marcin},
    File = {A finite set of functions with an EXPTIME-complete composition problem - Kozik (0) (0) - a - a - h.pdf},
    ISSN = {0304-3975},
    Journal = {Theor. Comput. Sci.},
    Keywords = {Clone membership problem, Composition of functions, Computational complexity},
    Month = {November},
    Number = {1-3},
    Pages = {330--341},
    Publisher = {Elsevier Science Publishers Ltd.},
    Title = {A finite set of functions with an EXPTIME-complete composition problem},
    URL = {http://dx.doi.org/10.1016/j.tcs.2008.06.057},
    Volume = {407},
    Year = {2008},
    acmid = {1450536},
    bdsk-url-1 = {http://dx.doi.org/10.1016/j.tcs.2008.06.057},
    date-added = {2013-06-13 12:04:01 +0000},
    date-modified = {2013-06-13 12:04:01 +0000},
    file-2 = {A finite set of functions with an EXPTIME-complete composition problem - Kozik (1) (0) - a - a - h.pdf},
    issue_date = {November, 2008},
    numpages = {12},
    doi = {10.1016/j.tcs.2008.06.057}
}

@article{Kozik:2008:FSF:1450344.1450536, Address = {Essex, UK}, Author = {Kozik, Marcin}, File = {A finite set of functions with an EXPTIME-complete composition problem - Kozik (0) (0) - a - a - h.pdf}, ISSN = {0304-3975}, Journal = {Theor. Comput. Sci.}, Keywords = {Clone membership problem, Composition of functions, Computational complexity}, Month = {November}, Number = {1-3}, Pages = {330--341}, Publisher = {Elsevier Science Publishers Ltd.}, Title = {A finite set of functions with an EXPTIME-complete composition problem}, URL = {http://dx.doi.org/10.1016/j.tcs.2008.06.057}, Volume = {407}, Year = {2008}, acmid = {1450536}, bdsk-url-1 = {http://dx.doi.org/10.1016/j.tcs.2008.06.057}, date-added = {2013-06-13 12:04:01 +0000}, date-modified = {2013-06-13 12:04:01 +0000}, file-2 = {A finite set of functions with an EXPTIME-complete composition problem - Kozik (1) (0) - a - a - h.pdf}, issue_date = {November, 2008}, numpages = {12}, doi = {10.1016/j.tcs.2008.06.057} }