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
"Krengel, Ulrich and Brunel, Antoine",Ergodic theorems,,W. de Gruyter,1985,De Gruyter studies in mathematics,,"0899250246,3110084783",,https://cir.nii.ac.jp/crid/1130000797621716352