ERICKSON, Lawrence; LAVALLE, Steven. A Simple, but NP-Hard, Motion Planning Problem. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 27, n. 1, p. 1388–1393, 2013. DOI: 10.1609/aaai.v27i1.8545. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/8545. Acesso em: 14 may. 2026.