@article{oai:ismrepo.ism.ac.jp:00032922,
 author = {Masuyama, Motosaburo},
 issue = {1},
 journal = {統計数理研究所講究録},
 month = {Apr},
 pages = {13--17},
 title = {On the Degree of Freedom Associated with the Sum of Squares},
 volume = {2},
 year = {1946}
}