@article{JMLR:v7:kok06a,
  author  = {Jelle R. Kok and Nikos Vlassis},
  title   = {Collaborative Multiagent Reinforcement Learning by Payoff Propagation},
  journal = {Journal of Machine Learning Research},
  year    = {2006},
  volume  = {7},
  number  = {65},
  pages   = {1789--1828},
  url     = {http://jmlr.org/papers/v7/kok06a.html}
}