中国科学院数学与系统科学研究院期刊网
The Number of Circles of a Maximum State of a Plane Graph with Applications
Xian-an JIN, Jun GE, Xiao-Sheng CHENG, Yu-qing LIN
Acta Mathematicae Applicatae Sinica(English Series) . 2021, (2): 409 -420 .  DOI: 10.1007/s10255-021-1020-1