Liu, Liu Nonexistence of nontrivial and nonnegative solutions to some elliptic inequalities of second order. (Chinese. English summary) Zbl 1101.35404 J. Sichuan Norm. Univ., Nat. Sci. 28, No. 6, 677-679 (2005). MSC: 35R45 35J60 35K50 35K65 PDFBibTeX XMLCite \textit{L. Liu}, J. Sichuan Norm. Univ., Nat. Sci. 28, No. 6, 677--679 (2005; Zbl 1101.35404)
Xu, Hongying; Liu, Liu; Zhang, Hui Global existence for a degenerate parabolic system. (Chinese. English summary) Zbl 1090.35110 J. Sichuan Norm. Univ., Nat. Sci. 28, No. 2, 182-184 (2005). MSC: 35K65 35K50 35K55 35B40 35B33 PDFBibTeX XMLCite \textit{H. Xu} et al., J. Sichuan Norm. Univ., Nat. Sci. 28, No. 2, 182--184 (2005; Zbl 1090.35110)
Zhang, Hui; Liu, Liu; Xu, Hongying Blow-up for a degenerate parabolic system. (Chinese. English summary) Zbl 1090.35542 J. Sichuan Norm. Univ., Nat. Sci. 28, No. 2, 179-181 (2005). MSC: 35K65 35K50 35K55 35B05 PDFBibTeX XMLCite \textit{H. Zhang} et al., J. Sichuan Norm. Univ., Nat. Sci. 28, No. 2, 179--181 (2005; Zbl 1090.35542)
Bai, Lin; Liu, Liu; Wang, Xinhua Persistence and coexistence of a two-species ecosystem with diffusion. (Chinese. English summary) Zbl 1205.92070 J. Sichuan Norm. Univ., Nat. Sci. 28, No. 1, 50-53 (2005). MSC: 92D40 35Q92 35K57 PDFBibTeX XMLCite \textit{L. Bai} et al., J. Sichuan Norm. Univ., Nat. Sci. 28, No. 1, 50--53 (2005; Zbl 1205.92070)
Zhang, Qingbang; Liu, Liu A class of systems of generalized quasi-variational-like inclusions. (Chinese. English summary) Zbl 1139.47321 J. Sichuan Norm. Univ., Nat. Sci. 28, No. 1, 34-38 (2005). MSC: 47J20 49J40 47J25 47H05 PDFBibTeX XMLCite \textit{Q. Zhang} and \textit{L. Liu}, J. Sichuan Norm. Univ., Nat. Sci. 28, No. 1, 34--38 (2005; Zbl 1139.47321)