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
"Le, Vy Khoi and Schmitt, Klaus",Global bifurcation in variational inequalities : applications to obstacle and unilateral problems,,Springer,1997,Applied mathematical sciences,,0387948864,,https://cir.nii.ac.jp/crid/1130000796810857728