2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42194It is shown, that the correlators of vector and axial-vector currents at finite temperature T in order T^2 reduce to mixing of vacuum VV and AA correlators with universal mixing coefficient given by the parameter ε= T^2/6 F^2_π, unlike the claim in the recent paper by Mallik and Sarkar [1].Typos were corrected, one reference was added, 2 pages, LaTeX 2eHigh Energy Physics - Phenomenologytext