1. B. B. Kadomtsev, in Plasma Physics and the Problem of Controlled Thermonuclear Reactions, Ed. by M. A. Leontovich (Izd. Akad. Nauk SSSR, Moscow, 1958; Pergamon, New York, 1960), Vol. 4, p. 450.
2. A. B. Bernstein, E. A. Frieman, M. D. Kruskal, and R. M. Kulsrud, Proc. Roy. Soc. London A 244, 17 (1958).
3. M. D. Kruskal and C. L. Oberman, Phys. Fluids 1, 275 (1958).
4. M. N. Rosenbluth and N. Rostoker, Phys. Fluids 2, 23 (1959).
5. A. B. Mikhailovskii, Theory of Plasma Instabilities, Vol. 2: Instabilities of an Inhomogeneous Plasma (Atomizdat, Moscow, 1971; Consultants Bureau, New York, 1974).