中国科学院数学与系统科学研究院期刊网
On the Spectral Spread of Bicyclic Graphs with Given Girth
Bing WANG, Ming-qing ZHAI, Jin-long SHU
Acta Mathematicae Applicatae Sinica(English Series) . 2013, (3): 517 -528 .  DOI: 10.1007/s10255-013-0228-0