Zheng, Handing The mathematical model of the car dispatching problem and its algorithm. (Chinese. English summary) Zbl 0818.90078 J. Shandong Univ., Nat. Sci. Ed. 29, No. 3, 291-295 (1994). MSC: 90C08 PDFBibTeX XMLCite \textit{H. Zheng}, J. Shandong Univ., Nat. Sci. Ed. 29, No. 3, 291--295 (1994; Zbl 0818.90078)
Zheng, Handing An algorithm of linear fractional programming. (Chinese. English summary) Zbl 0778.90072 J. Shandong Univ., Nat. Sci. Ed. 28, No. 1, 11-17 (1993). MSC: 90C32 90C05 90-08 PDFBibTeX XMLCite \textit{H. Zheng}, J. Shandong Univ., Nat. Sci. Ed. 28, No. 1, 11--17 (1993; Zbl 0778.90072)
Zheng, Handing A method of a kind of space curve fitting. (Chinese. English summary) Zbl 0633.65013 J. Shandong Univ., Nat. Sci. Ed. 22, No. 1, 1-11 (1987). Reviewer: Lau Hangtong MSC: 65D10 53A04 41A63 41A15 PDFBibTeX XMLCite \textit{H. Zheng}, J. Shandong Univ., Nat. Sci. Ed. 22, No. 1, 1--11 (1987; Zbl 0633.65013)
Zheng, Handing The graphical method for solving a kind of linear programming. (Chinese. English summary) Zbl 0603.90092 J. Shandong Univ., Nat. Sci. Ed. 21, No. 1, 7-13 (1986). MSC: 90C05 65K05 PDFBibTeX XMLCite \textit{H. Zheng}, J. Shandong Univ., Nat. Sci. Ed. 21, No. 1, 7--13 (1986; Zbl 0603.90092)