1. A. I. Morozov, Sov. Phys. Tech. Phys. 12, 1580 (1968).
2. A. I. Morozov and L. S. Solov’ev, in Reviews of Plasma Physics, Ed. by M. A. Leontovich (Atomizdat, Moscow, 1974; Consultants Bureau, New York, 1980), Vol. 8.
3. A. K. Vinogradova and A. I. Morozov, in Physics and Applications of Plasma Accelerators, Ed. by A. I. Morozov (Nauka i Tekhnika, Minsk, 1974) [in Russian].
4. V. I. Berkov and A. I. Morozov, JETP Lett. 19, 32 (1974).
5. V. I. Tereshin, A. Yu. Voloshko, V. I. Voznyi, et al., in Ion Injectors and Plasma Accelerators, Ed. by A. I. Morozov and N. N. Semashko (Energoatomizdat, Moscow, 1989) [in Russian].