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) ,k-harmonic maps into a Riemannian manifold with constant sectional curvature,Proceedings of the American Mathematical Society,,,2012,140,,1835-1847,https://cir.nii.ac.jp/crid/1010282257469152007,