1、题目：Testing the Null Hypothesis of Stationarity Against an Autoregressive Unit Root Alternative
      作者Xiao, Z.1
期刊: Journal of Time Series Analysis, Volume 22, Number 2, 1 March 2001 , pp. 87-105(19)
2、题目：Bootstrapping unit root tests for autoregressive time series
作者：Paparoditis, Efstathios ; Politis, Dimitris N. | Copyright information
期刊：[url=]Journal of the American Statistical Association[/url] [url=http://www.highbeam.com/Search.aspx?q= pubdate:[20050529;20050604]]June 1, 2005[/url]