1. O. Madelung, Physics of III–V Compounds (Mir, Moscow, 1967; Wiley, New York, 1964).
2. V. D. Prochukhan, in Proceedings of the 6th Winter School on Semiconductor Physics, Leningrad,1974, p. 280.
3. V. N. Brudnyi, Russ. Phys. J. 29, 650 (1986).
4. M. I. Daunov, I. K. Kamilov, and S. F. Gabibov, Semiconductors 35, 59 (2001).
5. M. I. Daunov, I. K. Kamilov, A. B. Magomedov, and S. F. Gabibov, Phys. Status Solidi 235, 297 (2003).