2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/217456We show that the Lorentz and the SU(3) groups can be derived from the covariance principle conserving a $Z_3$-graded three-form on a $Z_3$-graded cubic algebra representing quarks endowed with non-standard commutation laws.Mathematical Physics22E43, 22E46, 05A30text