OSTAPENKO, V. V.; FININ, G. S. On the Solution of a Locally Finite System of Linear Inequalities with Graph Structure. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 53, n. 4, p. 568–571, 2001. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4279. Acesso em: 7 apr. 2025.