M. ARUNKUMAR; G. BRITTO ANTONY XAVIER. Functional equation originating from sum of higher powers of arithmetic progression using difference operator is stable in Banach space: direct and fixed point methods. Malaya Journal of Matematik, India, v. 2, n. 01, p. 49–60, 2014. DOI: 10.26637/mjm201/007. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/391. Acesso em: 16 jul. 2024.