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
"Bourguignon, Jean-Pierre and De Bartolomeis, P. (Paolo) and Giaquinta, Mariano","Geometric theory of singular phenomena in partial differential equations, Cortona 1995",,Cambridge University Press,1998,Symposia mathematica,,0521632463,,https://cir.nii.ac.jp/crid/1130000795039110272