YOU, Peng-Sheng. Airline seat management with round-trip requests. Yugoslav Journal of Operations Research, [S. l.], v. 14, n. 2, p. 155–170, 2004. DOI: 10.2298/YJOR0402155Y. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/129. Acesso em: 26 aug. 2025.