Kaskasem, P.; Klin-eam, C. Hyers-Ulam-Rassias Stability of the \(C^*\)-Ternary Bi-Homomorphisms and \(C^*\)-Ternary Bi-Derivations in \(C^*\)-Ternary Algebras. Comm. Math. Appl. 2019, 10, 821-843.