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 "Guddat, J and Jongen, H. Th. (Hubertus Th.) and Kummer, Bernd and Nožička, František and International Conference ""Parametric Optimization and Related Topics""",Parametric optimization and related topics,,Akedemie-Verlag,1987,Mathematical research = Mathematische Forschung,,"3055003373,3055012909",,https://cir.nii.ac.jp/crid/1130000795887087488