Gelfand, I. M. (Izrail Moiseevich), Representations of the rotation and Lorentz groups and their applications / I.M. Gel'fand, R.A. Minlos and Z. Ya. Shapiro ; translated by G. Cummins and T. Boddington. - Oxford : Pergamon Press, 1963. - xviii, 366 p. ; 21 cm. Bibliography: p. 365-366. eng und Subjects--Topical Terms: Group theoryQuantum theory