@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042100,
 author = {Asai, Manabu and McAleer, Michael and Medeiros, Marcelo C.},
 month = {Aug},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Asymmetry and Leverage in Realized Volatility},
 year = {2009}
}