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 "Kawohl, Bernhard",Rearrangements and convexity of level sets in PDE,,Springer-Verlag,1985,Lecture notes in mathematics,,"3540156933,0387156933",,https://cir.nii.ac.jp/crid/1130000798025116544