@article{oai:tus.repo.nii.ac.jp:00002177, author = {小倉, 金之助 and Ogura, Kinnosuke}, journal = {東北数學雜誌, Tohoku Mathematical Journal, First Series}, month = {}, pages = {38--54}, title = {Geometry of the Field of Central Force}, volume = {11}, year = {1917}, yomi = {オグラ, キンノスケ} }