Klößner, T., Álvaro Torralba, M. Steinmetz, and S. Sievers. “A Theory of Merge-and-Shrink for Stochastic Shortest Path Problems”. Proceedings of the International Conference on Automated Planning and Scheduling, vol. 33, no. 1, July 2023, pp. 203-11, doi:10.1609/icaps.v33i1.27196.