K. RAVI; S. SURESH. Orthogonal stability of the new generalized quadratic functional equation. Malaya Journal of Matematik, India, v. 3, n. 04, p. 554–562, 2015. DOI: 10.26637/mjm304/013. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/498. Acesso em: 5 oct. 2024.