@techreport{oai:tsukuba.repo.nii.ac.jp:00022914,
 author = {RYUO, Satoko and SATO, Keisuke and YAMAMOTO, Yoshitsugu and 山本, 芳嗣},
 month = {Oct},
 title = {Parameterized fairness axioms on cycle-free graph games},
 year = {2009}
}