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 "Wolter, F. (Frank)",The decision problem for combined modal logics,,Shaker,2000,Berichte aus der Informatik,,3826580435,,https://cir.nii.ac.jp/crid/1130286429698339968