Ivatury, Ramabhadra Sarma, Madhusudana Rao Jampala, and sambasiva Rao siginam. 2014. “METRICS, D*-METRICS AND A FIXED POINT THEOREM”. Journal of Global Research in Mathematical Archives(JGRMA) 2 (1):34-37. https://jgrma.com/index.php/jgrma/article/view/151.