@techreport{weko_32116_1, author = "岩田,覚 and Lisa,Fleischer and 藤重,悟", title = "劣モジュラ関数最小化の強多項式時間アルゴリズム", year = "1999", institution = "Division of Systems Science Graduate School of Engineering Science Osaka University, Department of Industrial Engineering and Operations Research Columbia University, Division of Systems Science Gradeate School of Engineering Science Osaka University", number = "92(1999-AL-070)", month = "nov" }