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 "Akram, Muhammad","m-polar fuzzy graphs : theory, methods & applications",,Springer,2019,Studies in fuzziness and soft computing,,9783030037505,,https://cir.nii.ac.jp/crid/1130282272384041344