@article{weko_7946_1,
   author	 = "菱沼,千明",
   title	 = "グラフのすべての木を求めるプログラム",
   journal	 = "情報処理",
   year 	 = "1973",
   volume	 = "14",
   number	 = "12",
   month	 = "dec"
}