@article{DBLP:journals/jacm/GuptaKPR07,
author = {Anupam Gupta and
Amit Kumar and
Martin P{\'a}l and
Tim Roughgarden},
title = {Approximation via cost sharing: Simpler and better approximation
algorithms for network design},
journal = {J. ACM},
volume = {54},
number = {3},
year = {2007},
pages = {11},
ee = {http://doi.acm.org/10.1145/1236457.1236458},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
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