@article{dickey_zhang_2010, title={Seasonal unit root tests in long periodicity cases}, volume={39}, ISSN={["1226-3192"]}, DOI={10.1016/j.jkss.2010.02.006}, number={3}, journal={JOURNAL OF THE KOREAN STATISTICAL SOCIETY}, author={Dickey, David A. and Zhang, Ying}, year={2010}, month={Sep}, pages={271–279} }