Noor, Muhammad Aslam, and Khalida Inayat Noor. “Trifunction Bihemivariational Inequalities”. Earthline Journal of Mathematical Sciences 7, no. 2 (August 30, 2021): 287-313. Accessed November 23, 2024. https://earthlinepublishers.com/index.php/ejms/article/view/377.