2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46808General scheme for covariant calculation of the amplitudes of processes with the polarized Dirac particles is considered. It is so concretized that the obtained expressions can be used for calculation of the amplitudes of processes with interfering diagrams. As an illustration the expressions for the amplitudes of processes with massless particles are presented.9 pages, LaTex; talk presented at the Joint International Workshop: VIII Workshop on High Energy Physics and Quantum Field Theory & III Workshop on Physics at VLEPP. Zvenigorod, Russia, September 15-21, 1993High Energy Physics - Phenomenologytext