@article{oai:ismrepo.ism.ac.jp:00032228,
 author = {石井, 恵一 and Isii, Keiichi},
 issue = {1},
 journal = {統計数理研究所彙報},
 month = {Aug},
 pages = {123--143},
 title = {チェビシェフ型不等式について},
 volume = {7},
 year = {1959}
}