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
"Pastijn, F. J. (Francis J.) and Petrich, Mario",Regular semigroups as extensions,,Pitman,1985,Research notes in mathematics,,0273086715,,https://cir.nii.ac.jp/crid/1130282272872328960