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
"Sendov, Blagovest Khristov and Beer, Gerald",Hausdorff approximations,,Kluwer Academic,1990,Mathematics and its applications,,0792309014,,https://cir.nii.ac.jp/crid/1130282271295913216