Ivatury, Ramabhadra Sarma, Madhusudana Rao Jampala, and sambasiva Rao siginam. “METRICS, D*-METRICS AND A FIXED POINT THEOREM”. Journal of Global Research in Mathematical Archives(JGRMA) 2, no. 1 (July 13, 2014): 34–37. Accessed May 10, 2025. https://www.jgrma.com/index.php/jgrma/article/view/151.