1. S. A. Akhmanov and R. V. Khokhlov, Nonlinear Optics (VINITI, Moscow, 1965; Gordon and Breach, NewYork, 1972).
2. V. P. Silin, Zh. Éksp. Teor. Fiz. 47, 2254 (1964) [Sov. Phys. JETP 20, 1510 (1964)].
3. V. P. Silin, Zh. Éksp. Teor. Fiz. 114, 864 (1998) [JETP 87, 468 (1998)]; Zh. Éksp. Teor. Fiz. 121, 291 (2002) [JETP 94, 244 (2002)].
4. A. McPherson, G. Gibson, H. Jara, et al., J. Opt. Soc. Am. B 4, 595 (1987).
5. S. M. Gladkov and N. I. Koroteev, Usp. Fiz. Nauk 160, 105 (1990) [Sov. Phys. Usp. 33, 554 (1990)].