Ishibashi K, Kuroiwa D. RADIUS OF THE PERTURBATION OF THE OBJECTIVE FUNCTION PRESERVES THE KKT CONDITION IN CONVEX OPTIMIZATION. J. Nonlinear Anal. Optim. [internet]. 2021 Apr. 1 [cited 2026 Sep. 2];12(1):21-7. available from: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2795