1. S. G. Zeiger, Y. L. Klimontovich, P. S. Landa, E. G. Lariontsev, and E. E. Fradkin, Wave and Fluctuation Processes in Lasers (Nauka, Moscow, 1974), p. 416 (in Russian).
2. NATURAL FLUCTUATIONS IN LASERS
3. lonization waves in low-temperature plasmas
4. P. S. Landa, Self-Oscillations in Systems with Finite Number of Degrees of Freedom (Nauka, Moscow, 1980), p. 360 (in Russian).
5. P. S. Landa, Self-Oscillations in Distributed Systems (Nauka, Moscow, 1983), p. 320 (in Russian).