(1)
Karthikeyan, S.; Suresh, M.; Priya, V. B.; Palani, P. Stability of a Quadratic-Reciprocal Functional Equation: Direct Method. Comm. Math. Appl. 2023, 14 (5), 1615-1624. https://doi.org/10.26713/cma.v14i5.2224.