2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45059I discuss the instanton-induced contributions to the coefficient functions in front of parton densities. They correspond to the spherically symmetric particle production at the level of $10^{-2}-10^{-5}$ of the total cross section of deep inelastic scattering from the parton.9p., PSU/TH/139High Energy Physics - Phenomenologytext