S. PINELAS; M. ARUNKUMAR; N. MAHESH KUMAR; E. SATHYA. Stability of general quadratic-cubic-quartic functional equation in quasi beta Banach space via two dissimilar methods. Malaya Journal of Matematik, India, v. 6, n. 01, p. 113–128, 2018. DOI: 10.26637/MJM0601/0015. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/783. Acesso em: 16 jul. 2024.