【作者(必填)】Guanghui Wang, Hao Li, Yan Zhu, Guizhen Liu

【文题(必填)】A Note on Heterochromatic C4 in Edge-Colored Triangle-Free Graphs

【年份(必填)】2012

【全文链接或数据库名称(选填)】http://link.springer.com/article/10.1007/s00373-011-1087-1