Charemza, Wojciech W., and Svetlana Makarova. “A Simple Encompassing Test for the Deterministic and Bilinear Unit Root Models”. Austrian Journal of Statistics 34, no. 2 (April 3, 2016): 79–89. Accessed October 14, 2025. https://www.ajs.or.at/index.php/ajs/article/view/vol34%2C%20no2%20-%202.