摘要: We introduce a new method for studying the chromaticity of K₄-homeomorphs, by which some new results are obtained.
中图分类号:
彭燕玲. 关于K₄-同胚图色性的研究[J]. 数学季刊, 2004, 19(3): 253-261.
PENG Yan-ling. An Approach to Chromaticity of K4-homeomorphs[J]. Chinese Quarterly Journal of Mathematics, 2004, 19(3): 253-261.