1. L. I. Mandel’shtam, Lecture Notes in Optics, Relativity, and Quantum Mechanics (Nauka, Moscow, 1972), p. 325 [in Russian].
2. D. Bohm, Quantum Theory (Prentice Hall, Englewood Cliffs, N.J., 1951; Nauka, Moscow, 1965).
3. Yu. I. Vorontsov, Usp. Fiz. Nauk 164, 89 (1994) [Phys. Usp. 37, 81 (1994)].
4. Yu. I. Vorontsov, Theory and Methods of Macroscopic Measurements (Nauka, Moscow, 1989) [in Russian].
5. M. Mensky, Quantum Measurements and Decoherence: Models and Phenomenology (Kluwer Academic, Dordrecht, 2000; Fizmatlit, Moscow, 2001).