G. YAGACHITRADEVI; S. LAKSHMINARAYANAN; P. RAVINDIRAN. Generalized Hyers-Ulam stability of a 3D additive-quadratic functional equation in Banach spaces: A study with counterexamples. Malaya Journal of Matematik, India, v. 11, n. 04, p. 417–446, 2023. DOI: 10.26637/mjm1104/007. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1971. Acesso em: 23 nov. 2024.