2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40328A mathematical formalism for the analysis of correlations in multi-source events such as $W^+W^-$ production in $e^+e^-$ annihilations is presented. Various measures used in experimental searches for inter-$W$ correlations are reviewed.22 pages, 5 figures (LateX)High Energy Physics - Phenomenologytext