M. ARUNKUMAR; E. SATHYA; S. RAMAMOORTHI. General solution and generalized Ulam - Hyers stability of a additive functional equation originating from N observations of an arithmetic mean in Banach spaces using various substitutions in two different approaches. Malaya Journal of Matematik, India, v. 5, n. 01, p. 4–18, 2017. DOI: 10.26637/mjm501/002. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/578. Acesso em: 5 oct. 2024.