S. Pinelas, M. Arunkumar, and P. Agilan. “Generalized Ulam-Hyers Stability of $n-$Dimensional AQCQ Functional Equation in Fuzzy Banach Spaces in Two Different Methods”. International Journal of Mathematics And Its Applications, vol. 6, no. 3, Sept. 2018, pp. 89-136, http://ijmaa.in/index.php/ijmaa/article/view/363.