@article{oai:soar-ir.repo.nii.ac.jp:00017281,
 author = {SAKURA,  Naoo},
 journal = {Journal of the Faculty of Liberal Arts and Science, Shinshu University. Part 2, Natural science},
 month = {Nov},
 note = {Article, Journal of the Faculty of Liberal Arts and Science, Shinshu University. Part 2, Natural science 12: 1-6(1962)},
 pages = {1--6},
 title = {A Study on the Multifarious N-sided Polygons},
 volume = {12},
 year = {1962}
}