@article{oai:ismrepo.ism.ac.jp:00032887,
 author = {河田, 龍夫 and Kawata, Tatsuo},
 issue = {16},
 journal = {統計数理研究所講究録},
 month = {Nov},
 pages = {418--421},
 title = {独立確率変数の級数の収斂問題},
 volume = {2},
 year = {1946}
}