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 "Giaquinta, Mariano and Hildebrandt, Stefan",The Lagrangian formalism,,Springer-Verlag,1996,Die Grundlehren der mathematischen Wissenschaften,,"354050625X,038750625X",,https://cir.nii.ac.jp/crid/1130282271617356416