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)
,The cut locus of a two-sphere of revolution and Toponogov's comparison theorem,Tohoku Mathematical Journal 59,,,2007,,,379-399,https://cir.nii.ac.jp/crid/1010000781881568678,