@article{weko_12675_1,
   author	 = "吉田,清明 and 朱雀,保正",
   title	 = "最小被覆問題とその緩和問題の解のサイズの差",
   journal	 = "情報処理学会論文誌",
   year 	 = "1999",
   volume	 = "40",
   number	 = "5",
   pages	 = "2308--2313",
   month	 = "may"
}