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 "Sario, Leo","Classification theory of Riemannian manifolds : harmonic, quasiharmonic, and biharmonic functions",,Springer-Verlag,1977,Lecture notes in mathematics,,"3540083588,0387083588",,https://cir.nii.ac.jp/crid/1130282272457204352