@article{oai:ismrepo.ism.ac.jp:00032868,
 author = {坂元, 平八 and Sakamoto, Heihachi},
 issue = {9},
 journal = {統計数理研究所講究録},
 month = {Nov},
 pages = {244--268},
 title = {統計量の獨立性に就て},
 volume = {1},
 year = {1944}
}