2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149056A simple way of deriving and analyzing electroweak radiative corrections to the $Z$ boson decays is presented in the framework of the Standard Model. This paper is an updated and revised version of a plenary talk given at the Second Sakharov Conference; Lebedev Physical Institute, Moscow, May 20-24, 1996.13 pages, Latex, to appear in Yad. Fiz. Bounds on Higgs boson mass are corrected; one reference is addedHigh Energy Physics - Phenomenologytext