Abstract
We study the stability of the Drygas functional equation on a restricted domain. The main tool used in the proofs is the fixed point theorem for functional spaces.
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Piszczek, M., Szczawińska, J. Stability of the Drygas Functional Equation on Restricted Domain. Results. Math. 68, 11–24 (2015). https://doi.org/10.1007/s00025-014-0418-y
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DOI: https://doi.org/10.1007/s00025-014-0418-y