@article{oai:omu.repo.nii.ac.jp:00007729,
 author = {Matsumoto, Takanori},
 journal = {大阪府立工業高等専門学校研究紀要},
 month = {Jun},
 note = {application/pdf, Article, 大阪府立工業高等専門学校研究紀要, 1999, 33, p.53-56},
 pages = {53--56},
 title = {The Problem of Fenchel about F-Groups},
 volume = {33},
 year = {1999}
}