GULATI TR, VERMA K. Mixed type second-order symmetric duality under F-convexity. Int. J. Optim. Control, Theor. Appl. (IJOCTA) [Internet]. 2012 Aug. 26 [cited 2025 Feb. 5];3(1):1-5. Available from: https://ijocta.org/index.php/files/article/view/122