最大度等于5的2-连通的1-树图的边面色数
董桂香, 陈东灵, 许振宇
Edge-face Chromatic Number of 2-connected 1-tree with △(G) = 5
DONG Gui-xiang, CHEN Dong-ling, XU Zhen-yu
数学季刊 . 2004, (1): 90 -94 .