Li, Hongying; Han, Jianxin Existence of positive solutions for a class of Kirchhoff type problem. (Chinese. English summary) Zbl 1374.35030 J. Xinyang Norm. Univ., Nat. Sci. 29, No. 4, 497-500 (2016). MSC: 35B09 PDFBibTeX XMLCite \textit{H. Li} and \textit{J. Han}, J. Xinyang Norm. Univ., Nat. Sci. 29, No. 4, 497--500 (2016; Zbl 1374.35030) Full Text: DOI
Xue, Yan-fang; Han, Jian-xin Existence of periodic solutions for nonautonomous second-order Hamilton system. (Chinese. English summary) Zbl 1226.37044 J. Xinyang Norm. Univ., Nat. Sci. 23, No. 3, 326-329 (2010). MSC: 37J45 34C25 PDFBibTeX XMLCite \textit{Y.-f. Xue} and \textit{J.-x. Han}, J. Xinyang Norm. Univ., Nat. Sci. 23, No. 3, 326--329 (2010; Zbl 1226.37044)
Han, Jian-xin; Xue, Yan-fang The optimal portfolios of open fund under the assumption that the risky assets are constantly correlated. (Chinese. English summary) Zbl 1220.91033 J. Xinyang Norm. Univ., Nat. Sci. 22, No. 4, 507-509 (2009). MSC: 91G10 PDFBibTeX XMLCite \textit{J.-x. Han} and \textit{Y.-f. Xue}, J. Xinyang Norm. Univ., Nat. Sci. 22, No. 4, 507--509 (2009; Zbl 1220.91033) Full Text: DOI