“…In appendix, we present a specific numeration of these basis matrices Γ k , k = 0, ..., 15, which makes it possible, in particular, to reconstruct any matrix Γ k from its number k, see Ref. [11]. Any 4 × 4 matrix V = 15 k=0 V k Γ k is uniquely defined by the set of its components D s (V ) = {V k } in the Dirac basis [Dirac set of matrix V , briefly, Dset of V ].…”