Abstract
We establish conditions under which Baire measurable solutions f of
defined on a metrizable topological group are continuous at zero.
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Baron, K. On Baire measurable solutions of some functional equations. centr.eur.j.math. 7, 804–808 (2009). https://doi.org/10.2478/s11533-009-0042-3
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DOI: https://doi.org/10.2478/s11533-009-0042-3