Dashputre, Samir, C. Padmavati, and Kavita Sakure. “Convergence Results for Proximal Point Algorithm in Complete Cat(0) Space for Multivalued Mappings”. Journal of the Indonesian Mathematical Society 27, no. 1 (March 31, 2021): 29–47. Accessed April 23, 2024. http://jims-a.org/index.php/jimsa/article/view/899.