两篇文献

1.Zacharias Psaradakis:Bootstrap tests for unit roots in seasonal autoregressive models,Statistics & Probability Letters,Volume 50, Issue 4, 1 December 2000, Pages 389–395;
2.Rupasinghe M., and Samaranayake V.A. (2012d), “The asymptotic distributions of the Dickey-Hasza-Fuller seasonal unit root tests under weakly dependent errors,” Preprint.

1. Bootstrap tests for unit roots in seasonal autoregressive models

2. The asymptotic distributions of the Dickey-Hasza-Fuller seasonal unit root tests under weakly dependent errors
第二篇没找到，不过根据作者博士论文PDF的第4页所述，应该是第83-94页.