@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042794,
 author = {Matsushima, Hitoshi},
 month = {Apr},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Tit-For-Tat Equilibria in Discounted Repeated Games with Private Monitoring},
 year = {2007}
}