Abstract
In this paper we approximate the quartic functional equations in Lipschitz spaces.
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Nikoufar, I. Quartic functional equations in Lipschitz spaces. Rend. Circ. Mat. Palermo 64, 171–176 (2015). https://doi.org/10.1007/s12215-014-0187-1
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DOI: https://doi.org/10.1007/s12215-014-0187-1