Red'kov, V.M.; Bogush, A.A.; Tokarevskaya, N.G.
(Symmetry, Integrability and Geometry: Methods and Applications, 2008)
Parametrization of 4 × 4-matrices G of the complex linear group GL(4,C) in terms of four complex 4-vector parameters (k,m,n,l) is investigated. Additional restrictions separating some subgroups of GL(4,C) are given explicitly. ...