2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/154030We study the rate of growth of some integral means of the derivatives of a Blaschke product and we generalize several classical results. Moreover, we obtain the rate of growth of integral means of the derivative of functions in the model subspace $K_B$ generated by the Blaschke product $B$Complex VariablesFunctional Analysistext