著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) ,Utility Based Q-learning to Maintain Cooperation Prisoner's Dilemma Games,Proc. 2007 IEEE/WIC/ACM International Conference on Intelligent Agent Technology,,,2007,,,146-152,https://cir.nii.ac.jp/crid/1010282257433061260,