Ma, Haicheng The matching equivalent classes of graphs of two kinds of degree sequences. (Chinese. English summary) Zbl 1065.05079 J. Math. Study 37, No. 2, 188-192 (2004). MSC: 05C70 05C07 PDFBibTeX XMLCite \textit{H. Ma}, J. Math. Study 37, No. 2, 188--192 (2004; Zbl 1065.05079)
Ma, Haicheng A note on the multiplicity of the roots of two kinds of polynomials of graphs. (Chinese. English summary) Zbl 1060.05067 J. Math. Study 36, No. 2, 215-218 (2003). MSC: 05C50 PDFBibTeX XMLCite \textit{H. Ma}, J. Math. Study 36, No. 2, 215--218 (2003; Zbl 1060.05067)
Hu, Shengbiao; Ma, Haicheng The integral expression of maximum permanent of a class of (0, 1)-matrices. (English) Zbl 1008.05104 J. Math. Study 35, No. 3, 338-341 (2002). MSC: 05C50 15A15 PDFBibTeX XMLCite \textit{S. Hu} and \textit{H. Ma}, J. Math. Study 35, No. 3, 338--341 (2002; Zbl 1008.05104)
Ma, Haicheng The matching equivalent classes of graphs of \(I\) shape. (Chinese. English summary) Zbl 1002.05058 J. Math. Study 35, No. 1, 65-71 (2002). MSC: 05C70 PDFBibTeX XMLCite \textit{H. Ma}, J. Math. Study 35, No. 1, 65--71 (2002; Zbl 1002.05058)
Ma, Haicheng Matching equivalent classes of two kinds of graphs. (Chinese. English summary) Zbl 0960.05081 J. Math. Study 33, No. 2, 218-222 (2000). MSC: 05C70 PDFBibTeX XMLCite \textit{H. Ma}, J. Math. Study 33, No. 2, 218--222 (2000; Zbl 0960.05081)