Lapin, K. S. Higher Lyapunov functions derivatives and total Poisson boundedness of solutions. (English. Russian original) Zbl 1433.34052 Russ. Math. 63, No. 8, 17-24 (2019); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 8, 21-30 (2019). MSC: 34C11 37C60 PDFBibTeX XMLCite \textit{K. S. Lapin}, Russ. Math. 63, No. 8, 17--24 (2019; Zbl 1433.34052); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2019, No. 8, 21--30 (2019) Full Text: DOI
Semenov, K. V. Geometry of pseudopotentials of a third order evolution equation. (English. Russian original) Zbl 1056.35047 Russ. Math. 45, No. 3, 44-51 (2001); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2001, No. 3, 47-54 (2001). Reviewer: Elena Gavrilova (Sofia) MSC: 35G25 PDFBibTeX XMLCite \textit{K. V. Semenov}, Russ. Math. 45, No. 3, 47--54 (2001; Zbl 1056.35047); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2001, No. 3, 47--54 (2001)