@article{computingstablecoalitionsapproximation,
  title = {Computing Stable Coalitions: Approximation Algorithms for Reward Sharing},
  author = {Elliot Anshelevich and Shreyas Sekar},
  year = {2015},
  eprint = {1508.06781},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1508.06781v1},
}