@misc{oai:tsukuba.repo.nii.ac.jp:00011017,
 author = {Tanaka, Hidekazu and 田中, 秀和},
 month = {},
 note = {1997, 【要旨】},
 title = {Asymptotic comparison of the estimators in terms of the deficiency in some situations},
 year = {1998}
}