Chierchia, Luigi; Perfetti, Paolo Second order Hamiltonian equations on \(\mathbb{T}^ \infty\) and almost- periodic solutions. (English) Zbl 0821.34043 J. Differ. Equations 116, No. 1, 172-201 (1995). Reviewer: Ding Tongren (Beijing) MSC: 34C27 37J99 PDFBibTeX XMLCite \textit{L. Chierchia} and \textit{P. Perfetti}, J. Differ. Equations 116, No. 1, 172--201 (1995; Zbl 0821.34043) Full Text: DOI
Chierchia, Luigi; Perfetti, Paolo Maximal almost-periodic solutions for Lagrangian equations on infinite dimensional tori. (English) Zbl 0796.34028 Kuksin, S. (ed.) et al., Seminar on dynamical systems. Euler International Mathematical Institut, St. Petersburg, Russia, October 14-25 and November 18-29, 1991. Basel: Birkhäuser. Prog. Nonlinear Differ. Equ. Appl. 12, 203-212 (1994). Reviewer: P.F.Moson (Budapest) MSC: 34C27 37J99 PDFBibTeX XMLCite \textit{L. Chierchia} and \textit{P. Perfetti}, Prog. Nonlinear Differ. Equ. Appl. 12, 203--212 (1994; Zbl 0796.34028)