@article{oai:gifu-u.repo.nii.ac.jp:00065906,
 author = {HATADA, Kazuyuki},
 issue = {2},
 journal = {岐阜大学教育学部研究報告. 自然科学},
 month = {Mar},
 note = {論文(Article)},
 pages = {89--92},
 title = {Generalization of certain inequality for the triangle},
 volume = {28},
 year = {2004}
}