1.
M. Arunkumar, P. Narasimman, E. Sathya, N. Mahesh Kumar. 3 Dimensional additive quadratic functional equation. Malaya J. Mat. [Internet]. 2017 Jan. 1 [cited 2024 Oct. 5];5(01):72-103. Available from: https://www.malayajournal.org/index.php/mjm/article/view/581