Fomin, Fedor, Daniel Lokshtanov, Venkatesh Raman, and Saket Saurabh. “Fast Local Search Algorithm for Weighted Feedback Arc Set in Tournaments”. Proceedings of the AAAI Conference on Artificial Intelligence 24, no. 1 (July 3, 2010): 65–70. Accessed May 21, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/7557.