@article{oai:ismrepo.ism.ac.jp:00032856,
 author = {増山, 元三郎 and Masuyama, Motosaburo},
 issue = {15},
 journal = {統計数理研究所講究録},
 month = {Mar},
 pages = {457--465},
 title = {平方和ノ自由度ニ就テ},
 volume = {1},
 year = {1946}
}