Approximation and collusion in multicast cost sharing (extended abstract)

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\begin{bibtex} @inproceedings{DBLP:conf/sigecom/FeigenbaumKSS01,

 author    = {Joan Feigenbaum and
              Arvind Krishnamurthy and
              Rahul Sami and
              Scott Shenker},
 title     = {Approximation and collusion in multicast cost sharing (extended
              abstract)},
 booktitle = {ACM Conference on Electronic Commerce},
 year      = {2001},
 pages     = {253-255},
 ee        = {http://doi.acm.org/10.1145/501158.501190},
 crossref  = {DBLP:conf/sigecom/2001},
 bibsource = {DBLP, http://dblp.uni-trier.de}

}

\end{bibtex}