@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042811, author = {Takahashi, Akihiko and Yamada, Toshihiro}, month = {Aug}, note = {application/pdf, Revised in January 2012., 本文フィルはリンク先を参照のこと}, title = {On Approximation of the Solutions to Partial Differential Equations in Finance}, year = {2011} }