@article{weko_15516_1,
   author	 = "森,辰則 and 中川,裕志",
   title	 = "多重世界機構におけるCircumscription",
   journal	 = "情報処理学会論文誌",
   year 	 = "1987",
   volume	 = "28",
   number	 = "5",
   pages	 = "437--445",
   month	 = "may"
}