中国科学院数学与系统科学研究院期刊网
AMS
On First Returning Time and Last Exit Time of a Class of Markov Chain
Hui Zeng ZHANG, Min Zhi ZHAO, Lei WANG
Acta Mathematica Sinica . 2013, (2): 331 -334 .  DOI: 10.1007/s10114-012-1019-x