1. V. A. Buts, Usp. Sovrem. Radioélektron., No. 8, 13 (2004).
2. V. N. Tsytovich and V. D. Shapiro, Yad. Sintez 5, 228 (1965).
3. L. P. Zakatov, A. S. Kingsep, and A. G. Plakhov, Pis’ma Zh. Éksp. Teor. Fiz. 17, 280 (1973) [JETP Lett. 17, 201 (1973)].
4. B. Atamanyuk and A. S. Volokitin, Fiz. Plazmy 27, 637 (2001) [Plasma Phys. Rep. 27, 598 (2001)].
5. J. Weiland and H. Wilhelmsson, Coherent Nonlinear Interaction of Waves in Plasmas (Pergamon, Oxford, 1976; Énergoizdat, Moscow, 1981).