2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/19214In a recent preprint [cond-mat/0204040] Khveshchenko questioned the validity of our computation of the gauge invariant fermion propagator in QED3, which we employed as an effective theory of high-T_c cuprate superconductors [cond-mat/0203333]. We take this opportunity to further clarify our procedure and to show that criticism voiced in the above preprint is unwarranted.2 pages REVTeXStrongly Correlated ElectronsSuperconductivitytext