@article{oai:juen.repo.nii.ac.jp:00004878,
 author = {岩﨑,  浩 and Iwasaki,  Hiroshi},
 issue = {18},
 journal = {上越数学教育研究, Joetsu journal of mathematics education},
 month = {Mar},
 pages = {23--30},
 title = {√２ の無理数性の認識について},
 year = {2003},
 yomi = {イワサキ, ヒロシ}
}