@article{oai:ismrepo.ism.ac.jp:00032984,
 author = {二見, 隆 and Futami, Takashi},
 issue = {9},
 journal = {統計数理研究所講究録},
 month = {Aug},
 pages = {164--167},
 title = {算術平均と幾何平均と調和平均},
 volume = {3},
 year = {1947}
}