2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/154793Parametrization of complex 4 x 4 - matrices G in terms of Dirac tensor parameters (A,B,A_{l},B_{l},F_{kl}) or equivalent four complex 4-vectors (k,m,n,l) is investigated. In the given parametrization, the problem of inverting any 4 x 4 matrix G is solved. Expression for determinant of any matrix G is found: det G = F(k,m,n,l).32 pages, several sections removed, several references addedHigh Energy Physics - Theorytext