@article{oai:kansaigaidai.repo.nii.ac.jp:00007653,
 author = {楳垣, 実 and Umegaki, Minoru},
 journal = {研究論集, Kenkyuronshū : The Review of Inquiry and Research},
 month = {Feb},
 pages = {91--101},
 title = {Numberの表現をめぐって},
 volume = {16},
 year = {1971},
 yomi = {ウメガキ, ミノル}
}