2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152700Using a generating function for the Wigner's $D$-matrix elements of $SU(3)$ Weyl's character formula for $SU(3)$ is derived using Schwinger's technique.RevTex 3.0, 30 pages, no figuresHigh Energy Physics - TheoryQuantum AlgebraWeyl's Character Formula for $SU(3)$ - A Generating Function Approachtext