2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147827The constraint imposed by Gauss' law is used to show that the matrix elements of n-point Wightman Functions of gluon field and quark current operators at different space time points vanish when taken between physical states.4 pages, NUB 3053/92High Energy Physics - Phenomenologytext