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 "Costea, Nicuşor and Kristály, Alexandru and Varga, Csaba",Variational and monotonicity methods in nonsmooth analysis,,"Birkhäuser,Springer",2021,Frontiers in mathematics,,9783030816704,,https://cir.nii.ac.jp/crid/1130571459007815710