Lin, Yuan; Zhang, Shuyi Nonunique fixed point theorems with symmetric function in 2-metric spaces. (Chinese. English summary) Zbl 1399.54129 J. Beihua Univ., Nat. Sci. 18, No. 5, 572-575 (2017). MSC: 54H25 54E40 54E50 PDFBibTeX XMLCite \textit{Y. Lin} and \textit{S. Zhang}, J. Beihua Univ., Nat. Sci. 18, No. 5, 572--575 (2017; Zbl 1399.54129)
Li, Pingping; Pei, Minghe Existence of triple positive solutions of a even-order Robin type BVPs with integral boundary conditions. (Chinese. English summary) Zbl 1399.34080 J. Beihua Univ., Nat. Sci. 18, No. 5, 565-571 (2017). MSC: 34B18 34B10 47N20 PDFBibTeX XMLCite \textit{P. Li} and \textit{M. Pei}, J. Beihua Univ., Nat. Sci. 18, No. 5, 565--571 (2017; Zbl 1399.34080)
Kong, Liang A note on \(A\)-linear orthogonality preserving mapping. (Chinese. English summary) Zbl 1399.46084 J. Beihua Univ., Nat. Sci. 18, No. 5, 561-564 (2017). MSC: 46L08 46C05 PDFBibTeX XMLCite \textit{L. Kong}, J. Beihua Univ., Nat. Sci. 18, No. 5, 561--564 (2017; Zbl 1399.46084)