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Bättig, D.; Bloch, A. M.; Guillot, J.-C.; Kappeler, T. On the symplectic structure of the phase space for periodic KdV, Toda, and defocusing NLS. (English) Zbl 0855.58035 Duke Math. J. 79, No. 3, 549-604 (1995). Reviewer: S.Khoroshkin (Moskva) MSC: 37J35 37K10 35Q53 35Q55 PDF BibTeX XML Cite \textit{D. Bättig} et al., Duke Math. J. 79, No. 3, 549--604 (1995; Zbl 0855.58035) Full Text: DOI OpenURL