eng Science and Education Publishing American Journal of Mathematical Analysis 2013-04-23 1 1 25 27 10.12691/ajma-1-2-2 AJMA2013122 article K. Prudhvi prudhvikasani@rocketmail.com 1 Department of Mathematics, University College of Science, Saifabad, Osmania University, Hyderabad, Andhra Pradesh, India. In this paper, we prove a unique common fixed point theorem in cone metric spaces without appealing to commutativity conditions. These results generalize several well-known comparable results in the literature. http://pubs.sciepub.com/ajma/1/2/2/ajma-1-2-2.pdf common fixed point cone metric space coincidence points