@article{oai:u-gakugei.repo.nii.ac.jp:00026316,
 author = {祖慶, 良謙},
 journal = {研究紀要 / 東京学芸大学附属高等学校},
 month = {Mar},
 note = {application/pdf, 論文(Article), http://webcatplus-equal.nii.ac.jp/libportal/DocDetail?txt_docid=NCID%3AAN00158465},
 pages = {1--8},
 title = {積空間の正規性},
 volume = {42},
 year = {2005}
}