@article{asolutionconceptforgameswithaltruism,
  title = {A solution concept for games with altruism and cooperation},
  author = {Valerio Capraro},
  year = {2013},
  eprint = {1302.3988},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1302.3988v4},
}