@article{oai:aue.repo.nii.ac.jp:00007422,
 author = {小谷, 健司},
 journal = {イプシロン},
 month = {Nov},
 note = {text},
 pages = {51--58},
 title = {ビー玉の数学},
 volume = {60},
 year = {2018}
}