@article{oai:ismrepo.ism.ac.jp:00033025,
 author = {鍋島, 一郎 and Nabeshima, Ichiro},
 issue = {2},
 journal = {統計数理研究所講究録},
 month = {May},
 pages = {90--95},
 title = {單葉円に就いて},
 volume = {4},
 year = {1948}
}