Settu M, Balasubramanian G. Generalized Hyers–Ulam Stability for Quadratic Functional Equations of Several Variables in Banach Algebras. ijmcr [Internet]. 25Sep.2026 [cited 23Oct.2026];14(09):6870-9. Available from: https://mail.ijmcr.in/index.php/ijmcr/article/view/1392