@article{oai:nagasaki-u.repo.nii.ac.jp:00026474,
 author = {松田, 康雄},
 journal = {長崎大学教育学部紀要, Bulletin of Faculty of Education, Nagasaki University, Combined Issue},
 month = {Mar},
 note = {In this paper we shall show that there are the circles with the same radius which pass the fixed points in the bicentric polygon. The radius and the center of the circles are determined by the circumscribed circle and the inscribed circle of the bicentric polygen. And more we shall show that is also applied to some solids., 長崎大学教育学部紀要：自然科学 通巻 第88号（Bulletin of Faculty of Education, Nagasaki University: Natural Science, Vol.88), 長崎大学教育学部紀要, 7, pp.13-22; 2021},
 pages = {13--22},
 title = {双心多角形の中の円},
 volume = {7},
 year = {2021}
}