著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Nakajima, Tôru",Stability and singularities of harmonic maps into spheres,,Tohoku University,2003,Tohoku mathematical publications,,,,https://cir.nii.ac.jp/crid/1130282272075766528