Demir Sağlam S. The optimality principle for second-order discrete and discrete-approximate inclusions: The optimality principle for second-order discrete and discrete-approximate inclusions. Int. J. Optim. Control, Theor. Appl. (IJOCTA) [Internet]. 2021 May 26 [cited 2025 Jan. 22];11(2):206-15. Available from: http://ijocta.org/index.php/files/article/view/1056