OSTAPENKO, V. V.; FININ, G. S. Methods for the Elimination of Unknowns from Systems of Linear Inequalities and Their Applications. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 53, n. 1, p. 50–56, 2001. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4220. Acesso em: 5 dec. 2025.