@article{oai:tsukuba.repo.nii.ac.jp:00005670,
 author = {井上, 直昭 and Inoue, Naoaki},
 journal = {哲学・思想論叢, MISCELLANEA PHILOSOPHICA},
 month = {Jan},
 pages = {128--142},
 title = {数とは何かを巡って},
 volume = {22},
 year = {2004}
}