1. Dawson J. M., Shanny R., Phys. Fluids11 (1968), 1506.
2. Zaslavskij G. M., Statistical Irreversibility in Nonlinear Systems (in Russian), Nauka, Moscow 1970.
3. Progress Report of Institute of Plasma Physics of Czechosl. Acad. Sci. 1974; IPPCZ-185.
4. Piffl V., Šunka P., Ullschmied J., Jungwirth K., Krlín L., Proceedings of the Fourth Conference of Plasma Physics, 1971, Madison, USA, No 11.
5. Krlín L., Czech. J. Phys.17 B (1967), 112.