@article{oai:shotoku.repo.nii.ac.jp:00001999,
 author = {兼山, 瓊典},
 journal = {岐阜聖徳学園大学紀要. 教育学部編, The annals of Gifu Shotoku Gakuen University},
 month = {Feb},
 pages = {21--35},
 title = {円の内接四角形について},
 volume = {57},
 year = {2018},
 yomi = {カネヤマ, タマフミ}
}