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 "Krichever, I. M.",Perturbation theory in periodic problems for two-dimensional integrable systems,,Harwood Academic Pub.,1992,Soviet scientific reviews,,3718652188,,https://cir.nii.ac.jp/crid/1130000797677800448