Stanojević, Bogdana, Ioan Dziţac, and Simona Dziţac. “On the Ratio of Fuzzy Numbers – Exact Membership Function Computation and Applications to Decision Making”. Technological and Economic Development of Economy 21, no. 5 (September 29, 2015): 815-832. Accessed December 1, 2024. https://mma.vgtu.lt/index.php/TEDE/article/view/1137.