Christen, Remo, Salomé Eriksson, Florian Pommerening, and Malte Helmert. “Detecting Unsolvability Based on Separating Functions”. Proceedings of the International Conference on Automated Planning and Scheduling 32, no. 1 (June 13, 2022): 44-52. Accessed March 29, 2024. https://ojs.aaai.org/index.php/ICAPS/article/view/19784.