Md Sadikur Rahman, Emad E. Mahmoud, Ali Akbar Shaikh, Abdel-Haleem Abdel-Aty, Asoke Kumar Bhunia. Saddle Point Optimality Criteria of Interval Valued Non-Linear Programming Problem. Comput. Syst. Sci. Eng., 38(3):351-364, 2021. [doi]
Abstract is missing.