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 "Berti, Massimiliano and Kappeler, Thomas and Montalto, Riccardo",KAM tori for perturbations of the defocusing NLS equation,,Société mathématique de France,2018,Astérisque,,9782856298923,,https://cir.nii.ac.jp/crid/1130849382352625024