Treshchev, D. V. On the conservation of invariant manifolds for Hamiltonian systems under perturbation. (Russian) Zbl 0747.58033 Mat. Zametki 50, No. 4, 123-131 (1991). Reviewer: Yu.E.Gliklikh (Voronezh) MSC: 37J99 37J40 PDFBibTeX XMLCite \textit{D. V. Treshchev}, Mat. Zametki 50, No. 4, 123--131 (1991; Zbl 0747.58033)
Kozlov, V. V.; Treshchev, D. V. Kowalewski numbers of generalized Toda chains. (Russian) Zbl 0686.58033 Mat. Zametki 46, No. 5, 17-28 (1989). Reviewer: J.Andres MSC: 37C80 PDFBibTeX XMLCite \textit{V. V. Kozlov} and \textit{D. V. Treshchev}, Mat. Zametki 46, No. 5, 17--28 (1989; Zbl 0686.58033)