Golshan, H., H. Naraghi, and M. Kazemi. 2011. “T-BEST APPROXIMATION IN FUZZY AND INTUITIONISTIC FUZZY METRIC SPACES”. Journal of Nonlinear Analysis and Optimization: Theory & Applications 2 (1):77-85. http://www.math.sci.nu.ac.th/ojs302/index.php/jnao/article/view/50.