中国科学院数学与系统科学研究院期刊网
AMS
An Implicit Degree Ore-condition for Pancyclicity of Graphs
Hao LI, Jun Qing CAI
Acta Mathematica Sinica . 2013, (9): 1773 -1780 .  DOI: 10.1007/s10114-013-1641-2