@techreport{oai:tsukuba.repo.nii.ac.jp:00022922,
 author = {NISHIDA, Kiheiji and KANAZAWA, Yuichiro J. and 金澤, 雄一郎},
 month = {Apr},
 title = {On variable variance-stabilizing bandwidth for the Nadaraya-Watson regression estimator},
 year = {2010}
}