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2. V. I. Belinicher, E. L. Ivchenko, and B. I. Sturman, Zh. Eksp. Teor. Fiz. 83 (2), 649 (1982).
3. V. M. Fridkin, V. G. Lazarev, Yu. E. Levin, and A. I. Rodin, Pis’ma Zh. Eksp. Teor. Fiz. 38 (4), 159 (1983).
4. V. M. Fridkin, V. G. Lazarev, and A. L. Shlenskii, Pis’ma Zh. Eksp. Teor. Fiz. 41 (4), 153 (1985).
5. Ch. 8;E. L. Ivchenko,2005