2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43602A method is presented in which matrix elements for some processes are calculated recursively. This recursive calculational technique is based on the method of basis spinors.16 pages. Talk given at QFTHEP'2004 Workshop, St. Petersburg, Russia, June 17 - 23 2004High Energy Physics - Phenomenologytext