@article{oai:ismrepo.ism.ac.jp:00032926,
 author = {北川, 敏男 and Kitagawa, Toshio},
 issue = {8},
 journal = {統計数理研究所講究録},
 month = {Jul},
 pages = {224--232},
 title = {大標本論の数學的基礎に就いて(II)},
 volume = {2},
 year = {1946}
}