@book{ BA60855419, author = "Kadane, Joseph B.", title = "Comparison of k-class estimators when the disturbances are small", publisher = "Cowles Foundation for Research in Economics at Yale University", year = "1969", series = "Cowles Foundation discussion paper / Cowles Foundation for Research in Economics at Yale University", number = "no. 269", URL = "https://ci.nii.ac.jp/ncid/BA60855419" }