Zhang, Yuanyuan Existence of global solutions for quasi-linear wave equations with viscous damped term. (Chinese. English summary) Zbl 1474.35443 J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 8-12 (2020). MSC: 35L05 35L72 PDFBibTeX XMLCite \textit{Y. Zhang}, J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 8--12 (2020; Zbl 1474.35443) Full Text: DOI
Chen, Dong; Hu, Kui; Chen, Mingzhao On strongly \({\mathrm{FP}}_n\)-injective modules. (Chinese. English summary) Zbl 1474.16016 J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 36-41 (2020). MSC: 16D50 16E50 16E60 PDFBibTeX XMLCite \textit{D. Chen} et al., J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 36--41 (2020; Zbl 1474.16016) Full Text: DOI
Zhang, Wenhui; Zhang, Li Gorenstein \({\mathrm{FP}}_n\) flat modules and strongly Gorenstein \({\mathrm{FP}}_n\) flat modules. (Chinese. English summary) Zbl 1474.16013 J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 30-35 (2020). MSC: 16D40 16E65 PDFBibTeX XMLCite \textit{W. Zhang} and \textit{L. Zhang}, J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 30--35 (2020; Zbl 1474.16013) Full Text: DOI
Wang, Zhanping; Yang, Pengfei; Zhang, Ruijie \(n\)-Ding injective modules over Frobenius extensions. (Chinese. English summary) Zbl 1474.16020 J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 26-29 (2020). MSC: 16D50 16S20 PDFBibTeX XMLCite \textit{Z. Wang} et al., J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 26--29 (2020; Zbl 1474.16020) Full Text: DOI
Yang, Xiaoyan; Yang, Yang Orthogonal classes of Ding projective module with respect to a semidualizing module. (Chinese. English summary) Zbl 1474.13019 J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 22-25 (2020). MSC: 13C10 13C11 13C60 PDFBibTeX XMLCite \textit{X. Yang} and \textit{Y. Yang}, J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 22--25 (2020; Zbl 1474.13019) Full Text: DOI
Fang, Qigui The number of limit cycles of a kind of isochronous system. (Chinese. English summary) Zbl 1474.34234 J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 18-21 (2020). MSC: 34C07 34C05 34C23 PDFBibTeX XMLCite \textit{Q. Fang}, J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 18--21 (2020; Zbl 1474.34234) Full Text: DOI
Zhang, Yindi; Kang, Hongxi Stability region of balanced \(\theta\)-Heun method for stochastic differential equations. (Chinese. English summary) Zbl 1474.65018 J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 13-17 (2020). MSC: 65C30 65L20 PDFBibTeX XMLCite \textit{Y. Zhang} and \textit{H. Kang}, J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 13--17 (2020; Zbl 1474.65018) Full Text: DOI
Su, Youhui; Sun, Wenchao; Sun, Ai Existence of solutions to boundary value problems involving derivative for a class of nonlinear fractional differential equations. (Chinese. English summary) Zbl 1474.34150 J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 1-7, 41 (2020). MSC: 34B15 34A08 34B27 47N20 PDFBibTeX XMLCite \textit{Y. Su} et al., J. Northwest Norm. Univ., Nat. Sci. 56, No. 5, 1--7, 41 (2020; Zbl 1474.34150) Full Text: DOI