@article{oai:ismrepo.ism.ac.jp:00032428,
 author = {平野, 勝臣 and Hirano, Katuomi},
 issue = {2},
 journal = {統計数理研究所彙報},
 month = {Dec},
 pages = {61--64},
 title = {平均の推定に於ける近似変動係数の利用},
 volume = {20},
 year = {1972}
}