著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "赤平, 昌文",Third order efficiency implies fourth order efficiency : a resolution of the conjecture of J.K. Ghosh,,"Institute of Mathematics, University of Tsukuba",1996,Mathematical research note,,,,https://cir.nii.ac.jp/crid/1130282273339127552