Nanjaras, B. “FIXED POINT THEOREMS FOR FUNDAMENTALLY NONEXPANSIVE MAPPINGS IN CAT(K) SPACES”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO) 7, no. 1 (December 23, 2016): 75–83. accessed September 2, 2026. https://ph03.tci-thaijo.org/index.php/jnao/article/view/2813.