2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47659The leading perturbative contributions into the two-point gauge-invariant correlator $Tr<gF(x)U(x,0)U(0,y)F(y)U(y,0)U(0,x)>$ are calculated at the one-loop order. It is shown, that nonlocal condensate is nonzero at this order. The relation with the renormalization properties of Wilson loops is discussed.LaTeX, 13 pages, 2 eps figures; comments addedHigh Energy Physics - Phenomenologytext