Rao K, Rao K, Rao NS. Unique common fixed point theorems for single and set valued D-maps. Carib. J. Sci. Tech. [Internet]. 2013 Jan. 1 [cited 2024 Sep. 8];1(1):151-9. Available from: https://caribjscitech.com/index.php/cjst/article/view/111