LAHIRI, Somdeb. Stable sets of weak tournaments. Yugoslav Journal of Operations Research, [S. l.], v. 14, n. 1, p. 33–40, 2004. DOI: 10.2298/YJOR0401033L. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/121. Acesso em: 20 oct. 2025.