2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47188I discuss recent theoretical results for inclusive decays of quarkonia into a photon plus hadrons, and summarize the status of perturbative calculations.6 pages, 1 figure, Latex with sprocl.sty, contribution at the conference PHOTON97High Energy Physics - Phenomenologytext