@article{oai:soar-ir.repo.nii.ac.jp:00017287, 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 11: 4-6(1961)}, pages = {4--6}, title = {On Differential Geometry of a Closed Space Curve at the Points Deviding into 2n Parts of Equal Length}, volume = {11}, year = {1961} }