@article{weko_64943_1,
   author	 = "石畑,清",
   title	 = "プログラム・プロムナード：多角形の面積の近似",
   journal	 = "情報処理",
   year 	 = "2004",
   volume	 = "45",
   number	 = "1",
   pages	 = "48--55",
   month	 = "jan"
}