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
"Mordeson, John N. and Malik, D. S and Kuroki, Nobuaki",Fuzzy semigroups,,Springer,2003,Studies in fuzziness and soft computing,,3540032436,,https://cir.nii.ac.jp/crid/1130000798359490560