@article{oai:ismrepo.ism.ac.jp:00033116,
 author = {工藤, 弘吉 and Kudo, Hirokichi},
 issue = {6},
 journal = {統計数理研究所講究録},
 month = {Sep},
 pages = {307--311},
 title = {函数方程式F(x₁θ₁+θ₂)=F(F(x₁θ₁), θ₂)について(I)},
 volume = {5},
 year = {1949}
}