@article{weko_7521_1,
   author	 = "伊藤,直人 and 竹内,敬治 and 北原,紀之",
   title	 = "常微分方程式のある解法について",
   journal	 = "情報処理",
   year 	 = "1976",
   volume	 = "17",
   number	 = "5",
   month	 = "may"
}