S. MURTHY; M. ARUNKUMAR; V. GOVINDAN. General Solution and Generalized Hyers-Ulam Stability of n-dimensional Cubic Functional Equation in Various Normed Space: Direct and Fixed Point Methods. International Journal of Mathematics And its Applications, [S. l.], v. 4, n. 1 - D, p. 81–109, 2016. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/395. Acesso em: 12 may. 2024.