1. S. N. Kravchun, S. T. Davitadze, N. S. Mizina, and B. A. Strukov, Fiz. Tverd. Tela (St. Petersburg) 39, 762 (1997) [Phys. Solid State 39, 675 (1997)].
2. L. P. Filippov, S. N. Kravchun, and S. T. Tleubaev, Izmer. Tekh., No. 12, 28 (1985).
3. P. Horowitz and W. Hill, The Art of Electronics (Cambridge University Press, Cambridge, 1980) [Russian trans., Mir, Moscow (1983)].
4. B. M. Gol’tsman, N. V. Zaitseva, Yu. L. Kretser, V. V. Lemanov, and T. A. Shaplygina, Fiz. Tverd. Tela (St. Petersburg) 37, 3723 (1995) [Phys. Solid State 37, 2025 (1995)].
5. G. T. Furukawa, T. B. Douglas, W. G. Saba, and A. C. Victor, J. Res. Nat. Bureau Stand. Sect. A 69, 423 (1965).