中国科学院数学与系统科学研究院期刊网
AMS
The Weighted Transience and Recurrence of Markov Processes
Min Zhi ZHAO, Hui Zeng ZHANG
Acta Mathematica Sinica . 2007, (1): 111 -126 .  DOI: 10.1007/s10114-005-0808-x