John Michael Rassias, R. Murali, Matina John Rassias, and A.Antony Raj. 2017. “General Solution, Stability and Non-Stability of Quattuorvigintic Functional Equation in Multi-Banach Spaces”. International Journal of Mathematics And Its Applications 5 (2 - A):181-94. https://ijmaa.in/index.php/ijmaa/article/view/804.