Li, Ya’nan; Wang, Yuguang; Liu, Leipo Global qualitative analysis for positive equilibrium of a ratio-dependent predator-prey model. (Chinese. English summary) Zbl 1389.34145 Math. Pract. Theory 47, No. 10, 179-183 (2017). MSC: 34C60 34D23 92D25 PDFBibTeX XMLCite \textit{Y. Li} et al., Math. Pract. Theory 47, No. 10, 179--183 (2017; Zbl 1389.34145)
Li, Ya’nan; Liu, Leipo; Wang, Yuguang Passive sliding mode control for uncertain time-delay systems subjected to input nonlinearity. (English) Zbl 1240.93051 J. Shandong Univ., Nat. Sci. 45, No. 6, 99-104 (2010). MSC: 93B12 93B35 93C10 PDFBibTeX XMLCite \textit{Y. Li} et al., J. Shandong Univ., Nat. Sci. 45, No. 6, 99--104 (2010; Zbl 1240.93051)