Gao, Wei; Zhang, Yungang; Liang, Li A degree condition for fractional \(k\)-deleted graphs. (Chinese. English summary) Zbl 1240.05252 J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 6-11 (2011). MSC: 05C72 PDFBibTeX XMLCite \textit{W. Gao} et al., J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 6--11 (2011; Zbl 1240.05252)
Shi, Yuren; Zhang, Juan; Yang, Hongjuan Multi-solitary wave solutions of the \((2+1)\)-dimensional ZK equation. (Chinese. English summary) Zbl 1240.35483 J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 30-33 (2011). MSC: 35Q53 35C08 PDFBibTeX XMLCite \textit{Y. Shi} et al., J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 30--33 (2011; Zbl 1240.35483)
Niu, Shufen; Chen, Li A discrete multi-factor portfolio optimization model with cardinality constraints. (Chinese. English summary) Zbl 1240.91153 J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 26-29 (2011). MSC: 91G10 90C10 90C57 PDFBibTeX XMLCite \textit{S. Niu} and \textit{L. Chen}, J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 26--29 (2011; Zbl 1240.91153)
Shi, Ailing; Yu, Yuanhong Interval oscillation criteria for nonlinear second order damped differential equations. (English) Zbl 1240.34182 J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 17-22, 33 (2011). MSC: 34C10 PDFBibTeX XMLCite \textit{A. Shi} and \textit{Y. Yu}, J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 17--22, 33 (2011; Zbl 1240.34182)
Dong, Fu’an; Wei, Minjian; Yu, Bin Theory and simulation analysis of a discrete-time SISV epidemic model. (Chinese. English summary) Zbl 1233.92068 J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 12-16 (2011). MSC: 92D30 34D20 65C20 PDFBibTeX XMLCite \textit{F. Dong} et al., J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 12--16 (2011; Zbl 1233.92068)
Chen, Xiang’en; Zhao, Feihu General neighbour-distinguishing indices on some classes of operation graphs. (Chinese. English summary) Zbl 1240.05255 J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 1-5, 16 (2011). MSC: 05C76 PDFBibTeX XMLCite \textit{X. Chen} and \textit{F. Zhao}, J. Northwest Norm. Univ., Nat. Sci. 47, No. 1, 1--5, 16 (2011; Zbl 1240.05255)