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 J. Mat. [Internet]. 2018 Jan. 1 [cited 2024 Nov. 24];6(01):113-28. Available from: https://www.malayajournal.org/index.php/mjm/article/view/783