Friedrich, Tobias, Anton Krohmer, Ralf Rothenberger, and Andrew Sutton. “Phase Transitions for Scale-Free SAT Formulas”. Proceedings of the AAAI Conference on Artificial Intelligence 31, no. 1 (February 12, 2017). Accessed July 26, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/11133.