BACKSTROM, Christer; JONSSON, Peter. All PSPACE-Complete Planning Problems Are Equal but Some Are More Equal than Others. Proceedings of the International Symposium on Combinatorial Search, [S. l.], v. 2, n. 1, p. 10–17, 2021. DOI: 10.1609/socs.v2i1.18186. Disponível em: https://ojs.aaai.org/index.php/SOCS/article/view/18186. Acesso em: 9 may. 2026.