Qian, Suping; Li, Xin Recursion operator and local and nonlocal symmetries of a new modified KdV equation. (English) Zbl 1291.35310 Adv. Math. Phys. 2013, Article ID 282390, 5 p. (2013). MSC: 35Q53 37K10 35A30 PDFBibTeX XMLCite \textit{S. Qian} and \textit{X. Li}, Adv. Math. Phys. 2013, Article ID 282390, 5 p. (2013; Zbl 1291.35310) Full Text: DOI
Li, Xin; Qian, Suping Approximate symmetry reduction to the perturbed coupled KdV equations derived from two-layer fluids. (English) Zbl 1264.35197 Math. Sci., Springer 6, Paper No. 13, 5 p. (2012). MSC: 35Q53 35Q35 35A30 35A35 35C10 PDFBibTeX XMLCite \textit{X. Li} and \textit{S. Qian}, Math. Sci., Springer 6, Paper No. 13, 5 p. (2012; Zbl 1264.35197) Full Text: DOI