@techreport{weko_32038_1, author = "岩田,覚", title = "劣モジュラ関数最小化の完全に組合せ的なアルゴリズム", year = "2001", institution = "東京大学情報理工学系研究科数理情報学専攻", number = "79(2001-AL-079)", month = "jul" }