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
"Baeten, J. C. M.",Filters and ultrafilters over definable subsets of admissible ordinals,,Centrum voor Wiskunde en Informatica,1986,CWI tract,,906196301X,,https://cir.nii.ac.jp/crid/1130282269020284288