SON, T. Q. REFINEMENTS OF $\VAREPSILON$-DUALITY THEOREMS FOR A NONCONVEX PROBLEM WITH AN INFINITE NUMBER OF CONSTRAINTS. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), [S. l.], v. 4, n. 2, p. 61–70, 2013. Disponível em: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2703. Acesso em: 2 sep. 2026.