中国科学院数学与系统科学研究院期刊网
AMS
A Sufficient Condition for Planar Graphs with Maximum Degree 8 to Be 9-totally Colorable
Jian Sheng CAI, Chang Chun TENG, Gui Ying YAN
Acta Mathematica Sinica . 2014, (6): 993 -1006 .  DOI: 10.1007/s10114-014-3170-z