@techreport{oai:tsukuba.repo.nii.ac.jp:00022805,
 author = {Jin, Hui and Gotoh, Jun-ya and 後藤, 順哉 and Sumita, Ushio and 住田, 潮},
 month = {Dec},
 title = {A New Approach for Computing Option Prices of the Hull-White Type with Stepwise Reversion and Volatility Functions},
 year = {2005}
}