围长为4的无7-,8-圈和15-圈平面图的3-选色

王萃琦, 苗正科

On 3-Choosability of Plane Graphs of Girth No Less Than 4 without 7-,8- and 15-Cycles

WANG Cuiqi, MIAO Zhengke

吉林大学学报(理学版) . 2008, (04): 658 -660 .