Tanmoy Chakraborty Michael Kearns Sanjeev Khanna Network bargaining: algorithms and structural results. 159-168 2009 ACM Conference on Electronic Commerce http://doi.acm.org/10.1145/1566374.1566398 conf/sigecom/2009 db/conf/sigecom/sigecom2009.html#ChakrabortyKK09