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(4):821-843. doi:10.26713/cma.v10i4.1249