著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Sakajo Takashi,Motion of a vortex sheet on a sphere with pole vortices,Hokkaido University Preprint Series in Mathematics,0003-6951,"Department of Mathematics, Hokkaido University",2003-11-22,614,,1-27,https://cir.nii.ac.jp/crid/1390853649725414144,https://doi.org/10.14943/83759