Zheng, Zuo-Huan Globally semistable systems on a plane. (Chinese. English summary) Zbl 0830.34042 J. Syst. Sci. Math. Sci. 14, No. 1, 21-28 (1994). MSC: 34D20 PDFBibTeX XMLCite \textit{Z.-H. Zheng}, J. Syst. Sci. Math. Sci. 14, No. 1, 21--28 (1994; Zbl 0830.34042)
Zhu, Zuotong; Huang, Junmin Congruent pairs on a set. (English) Zbl 0969.20511 Chin. Q. J. Math. 9, No. 3, 37-40 (1994). MSC: 20M30 08A30 PDFBibTeX XMLCite \textit{Z. Zhu} and \textit{J. Huang}, Chin. Q. J. Math. 9, No. 3, 37--40 (1994; Zbl 0969.20511)
Yang, Zuodong; Yang, Huisheng Existence of positive solutions to two-point boundary value problems for a class of nonlinear equations. (Chinese. English summary) Zbl 0943.34015 J. Cent. China Norm. Univ., Nat. Sci. 28, No. 4, 431-434 (1994). MSC: 34B18 47N20 PDFBibTeX XMLCite \textit{Z. Yang} and \textit{H. Yang}, J. Cent. China Norm. Univ., Nat. Sci. 28, No. 4, 431--434 (1994; Zbl 0943.34015)