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
"Groetsch, C. W.",The theory of Tikhonov regularization for Fredholm equations of the first kind,,Pitman Advanced Pub. Program,1984,Research notes in mathematics,,0273086421,,https://cir.nii.ac.jp/crid/1130282270228400000