2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/223668We prove a formula for the limit of logarithmic derivatives of zeta functions in families of global fields with an explicit error term. This can be regarded as a rather far reaching generalization of the explicit Brauer-Siegel theorem both for number fields and function fields.Number Theory11R42, 11M38text