SU, T. V.; HANG, D. D. CLOSEDNESS OF THE OPTIMAL SOLUTION SETS FOR GENERAL VECTOR ALPHA OPTIMIZATION PROBLEMS. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), [S. l.], v. 11, n. 1, p. 1–14, 2020. Disponível em: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2821. Acesso em: 2 sep. 2026.