Ashwinkumar Raosaheb Chavan, and Uttam P. Dolhare. “On Completion of Normed Vector Space and Contraction Mapping”. International Journal of Mathematics And its Applications 5, no. 4 - C (November 15, 2017): 331–334. Accessed May 20, 2024. http://ijmaa.in/index.php/ijmaa/article/view/1277.