Amudhambigai, B., and T. Karthika. “ON R-FUZZY λ-CLOSED SETS AND SMOOTH FUZZY λ-CONTINUOUS FUNCTIONS”. Journal of Advanced Mathematics 1, no. 1 (July 30, 2015): 04-09. Accessed December 23, 2024. http://asdpub.com/index.php/jam/article/view/94.