Geeta Modi, Ram Naresh Gupta. “A COMMON FIXED POINT THEOREM FOR UNIQUE RANDOM POINT IN HILBERT SPACE USING SIX RANDOM OPERATORS”. International Journal of Research Science and Management, vol. 2, no. 8, Aug. 2015, pp. 38-42, http://ijrsm.com/index.php/journal-ijrsm/article/view/637.