中国科学院数学与系统科学研究院期刊网
The Factorisation of Adjoint Polynomials of Kinds of Graphs and Chromatically Equivalence Analysis
Bing Ru ZHANG
Acta Mathematica Sinica, Chinese Series . 2002, (3): 529 -534 .  DOI: 10.12386/A2002sxxb0067