1. E. N. Parker, Cosmical Magnetic Fields, Clarendon Press, Oxford-New York (1979).
2. S. I. Vainshtein, Ya. B. Zel'dovich, and A. A. Ruzmaikin, The Turbulent Dynamo in Astrophysics [in Russian], Nauka, Moscow (1980).
3. E. Asseo and H. Sol, Phys. Rep. (Review Section of Phys. Lett.),148, No. 6, 307 (1987).
4. F. Hoyle, Nature (London),223, 936 (1969).
5. R. M. Muradyan, Astrofizika,14, 439 (1978).