[1]
M. Arunkumar, E. Sathya, S. Karthikeyan, G. Ganapathy and T. Namachivayam 2018. Stability of system of additive functional equations in various Banach spaces: Classical Hyers methods. Malaya Journal of Matematik. 6, 01 (Jan. 2018), 91–112. DOI:https://doi.org/10.26637/MJM0601/0014.