CHANG IL KIM, and GILJUN HAN. “FUZZY STABILITY OF CUBIC FUNCTIONAL EQUATIONS WITH EXTRA TERMS”. Journal of Computational Analysis and Applications (JoCAAA) 29, no. 5 (October 18, 2021): 862–869. Accessed August 26, 2026. https://eudoxuspress.com/index.php/pub/article/view/197.