@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042750,
 author = {Kubokawa, Tatsuya},
 month = {Mar},
 note = {application/pdf, Revised in June 2006; subsequently published in Journal of the Japan Statistical Society (2007), 37, 207-237., 本文フィルはリンク先を参照のこと},
 title = {Characterization of Priors in the Stein Problem},
 year = {2006}
}