@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042590,
 author = {Fujii, Masaaki and Takahashi, Akihiko},
 month = {Jun},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Making Mean-Variance Hedging Implementable in a Partially Observable Market},
 year = {2013}
}