Xu, XinDong; Geng, JianSheng KAM tori for higher dimensional beam equation with a fixed constant potential. (English) Zbl 1180.37112 Sci. China, Ser. A 52, No. 9, 2007-2018 (2009). MSC: 37K60 37K55 PDFBibTeX XMLCite \textit{X. Xu} and \textit{J. Geng}, Sci. China, Ser. A 52, No. 9, 2007--2018 (2009; Zbl 1180.37112) Full Text: DOI
Cao, Rongmei; You, Jiangong Diophantine vectors in analytic submanifolds of Euclidean spaces. (English) Zbl 1135.28007 Sci. China, Ser. A 50, No. 9, 1334-1338 (2007). Reviewer: Pei-Chu Hu (Jinan) MSC: 28B05 32C05 37C15 PDFBibTeX XMLCite \textit{R. Cao} and \textit{J. You}, Sci. China, Ser. A 50, No. 9, 1334--1338 (2007; Zbl 1135.28007) Full Text: DOI