S. MURTHY; V. GOVINDHAN; M. SREE SHANMUGA VELAN. Generalized U - H Stability of New n - type of Additive Quartic Functional Equation in Non - Archimedean Orthogonally Space. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 2 - A, p. 1–11, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/790. Acesso em: 22 jul. 2024.