@article{oai:cgu.repo.nii.ac.jp:00001507,
 author = {柳下, 公男 and Yagishita, Kimio},
 issue = {39},
 journal = {中央学院大学人間・自然論叢, The Bulletin of Chuo-Gakuin University　―Man & Nature―},
 month = {Jan},
 note = {6, KJ00009621419, 研究ノート, Note},
 pages = {123--127},
 title = {完全数について},
 year = {2015},
 yomi = {ヤギシタ, キミオ}
}