@techreport{weko_30354_1,
   author	 = "Fer-JandeVries",
   title	 = "射影空間と再帰領域方程式について",
   year 	 = "1995",
   institution	 = "Advanced Research Laboratory  Hitachi Ltd.",
   number	 = "114(1995-PRO-004)",
   month	 = "nov"
}