Fujimoto, Atsuo; Watanabe, Yoshihide Classification of fifth-order evolution equations with nontrivial symmetries. (English) Zbl 0525.35042 Math. Jap. 28, 43-65 (1983). MSC: 35G10 35K25 35A30 PDFBibTeX XMLCite \textit{A. Fujimoto} and \textit{Y. Watanabe}, Math. Japon. 28, 43--65 (1983; Zbl 0525.35042)
Fujimoto, Atsuo; Watanabe, Yoshihide Conserved densities of certain non-linear evolution equations. (English) Zbl 0474.35054 Math. Jap. 26, 203-221 (1981). MSC: 35G10 35K25 35K55 35A15 PDFBibTeX XMLCite \textit{A. Fujimoto} and \textit{Y. Watanabe}, Math. Japon. 26, 203--221 (1981; Zbl 0474.35054)
Fujimoto, Atsuo; Watanabe, Yoshihide Conserved densities of the fifth-order Korteweg-de Vries equation. (English) Zbl 0451.35095 Lett. Math. Phys. 4, 185-193 (1980). MSC: 35Q99 35A22 PDFBibTeX XMLCite \textit{A. Fujimoto} and \textit{Y. Watanabe}, Lett. Math. Phys. 4, 185--193 (1980; Zbl 0451.35095) Full Text: DOI