Faliszewski, Piotr, Pasin Manurangsi, and Krzysztof Sornat. “Approximation and Hardness of Shift-Bribery”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 1901-1908. Accessed March 28, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/4016.