1. J. von Neumann,Math. Ann.,102, 370–427 (1929).
2. G. J. Murphy,C * -Algebras and Operator Theory, Academic Press, Inc., Boston e.a. (1990).
3. O. Bratteli and D. Robinson,Operator Algebras and Quantum Statistical Mechanics, Vol. 1, Springer-Verlag, New York-Heidelberg-Berlin (1979).
4. A. A. Kirillov,Elements of the Theory of Representations [in Russian], Nauka, Moscow (1978); English translation of the 1st edition: Springer-Verlag, New York-Berlin-Heidelberg (1976).
5. A. D. Barut and R. Rączka,Theory of Group Representations and Applications, Polish Scientific Publishers, Warsaw (1977).