@article{weko_32428_1,
   author	 = "平野,勝臣",
   title	 = "平均の推定に於ける近似変動係数の利用",
   journal	 = "統計数理研究所彙報",
   year 	 = "1972",
   volume	 = "20",
   number	 = "2",
   pages	 = "61--64",
   month	 = "dec"
}