@techreport{weko_38878_1,
   author	 = "黒河,富夫",
   title	 = "対数利用の演算法による円描画の誤差",
   year 	 = "1991",
   institution	 = "愛知工業大学工学部経営工学科",
   number	 = "111(1991-CG-054)",
   month	 = "dec"
}