WU, Binghan; BAO, Wei; YUAN, Dong. Competitive Analysis for Two-Level Ski-Rental Problem. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 35, n. 13, p. 12034–12041, 2021. DOI: 10.1609/aaai.v35i13.17429. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/17429. Acesso em: 10 may. 2026.