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
"Friedman, Avner",Variational principles and free-boundary problems,Dover ed,Dover Publications,2010,Dover books on mathematics,,9780486478531,,https://cir.nii.ac.jp/crid/1130282268860148224