@article{oai:nagano.repo.nii.ac.jp:00001007,
 author = {平井, 由土},
 journal = {本州大学紀要, HONSHU-DAIGAKU-KIYO},
 month = {Mar},
 note = {application/pdf},
 pages = {61--65},
 title = {近似値と誤差の考察},
 volume = {2},
 year = {1973}
}