SERGIENKO, T. I. Existence of Pareto-optimal solutions to the vector optimization problem with an unbounded feasible set . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 10, p. 27–31, 2025. DOI: 10.15407/dopovidi2015.10.027. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/15352. Acesso em: 30 may. 2026.