@inproceedings{contrained_games-conferenza,
  title = "Constrained coalitional games: formal framework, properties, and complexity results (Extended Abstract)",
  author = "Gianluigi Greco and Enrico Malizia and Luigi Palopoli and Francesco Scarcello",
  year = "2009",
  address = "Budapest, Hungary",
  booktitle = "Proceedings of the 8th International Conference on Autonomous Agents and Multiagent Systems (AAMAS~2009)",
  editor = "Carles Sierra and Cristiano Castelfranchi and Keith S. Decker and Jaime Sim{\~a}o Sichman",
  month = "May 10--15",
  pages = "1295--1296",
  url = "http://doi.acm.org/10.1145/1558109.1558260",
}