Chen, Ling; Du, Xianyun The solution and elliptical periodic solution for a class of the system of LS nonlinear equation. (Chinese. English summary) Zbl 1042.37533 J. Sichuan Norm. Univ., Nat. Sci. 26, No. 1, 38-40 (2003). MSC: 37K40 Soliton theory, asymptotic behavior of solutions of infinite-dimensional Hamiltonian systems 35Q99 Partial differential equations of mathematical physics and other areas of application PDFBibTeX XMLCite \textit{L. Chen} and \textit{X. Du}, J. Sichuan Norm. Univ., Nat. Sci. 26, No. 1, 38--40 (2003; Zbl 1042.37533)