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@article{DBLP:journals/eor/AusielloP06,
author = {Giorgio Ausiello and
Vangelis Th. Paschos},
title = {Reductions, completeness and the hardness of approximability},
journal = {European Journal of Operational Research},
volume = {172},
number = {3},
year = {2006},
pages = {719-739},
ee = {http://dx.doi.org/10.1016/j.ejor.2005.06.006},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
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