@article{oai:ismrepo.ism.ac.jp:00032883,
 author = {河田, 敬義 and Kawada, Yukiyoshi},
 issue = {15},
 journal = {統計数理研究所講究録},
 month = {Nov},
 pages = {400--417},
 title = {彷徨エルゴード定理ニ就テ},
 volume = {2},
 year = {1946}
}