1. paper F-9;J. Callen,1972
2. B. Coppi:Rivista Nuovo Cimento,1, 357 (1969).
3. B. Coppi, M. Rosenbluth andR. Sudan:Ann. of Phys.,55, 207 (1969).
4. L. A. Artsimovich, A. V. Glukhov andM. P. Petrov:Žurn. Ėksp. Teor. Fiz. Pis. Red.,11, 449 (1970) [Sov. Phys. JETP Lett.,11, 304 (1970))].
5. A. A. Galeev, V. N. Oraevskii andR. Z. Sagdeev:Žurn. Ėksp. Teor. Fiz.,44, 903 (1963) [Sov. Phys. JETP,17, 615 (1963)].