@article{oai:ismrepo.ism.ac.jp:00033231, author = {山本, 純恭 and Yamamoto, Sumiyasu}, issue = {9}, journal = {統計数理研究所講究録}, month = {Dec}, pages = {385--394}, title = {二つのQuantilesの比による変異係数の推定法に就て}, volume = {7}, year = {1951} }