三正则连通图与圈的并图Cordial性
谢炎涛, 车颍涛, 刘峙山
The Cordiality on the Union of 3-regular Connected Graph and Cycle 
XIE Yan-tao, CHE Ying-tao, LIU Zhi-shan
数学季刊 . 2010, (2): 244 -248 .