@article{oai:ismrepo.ism.ac.jp:00033004,
 author = {伊藤, 清 and Ito, Kiyoshi},
 issue = {10-11},
 journal = {統計数理研究所講究録},
 month = {Sep},
 pages = {170--182},
 title = {報知高},
 volume = {3},
 year = {1947}
}